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Finding the Fourth Proportional to 10,846,642.80, 16,269,964.20 and 2,759,602.80

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Solution

The fourth proportional to 10,846,642.80, 16,269,964.20 and 2,759,602.80 is: 4,139,404.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,846,642.80 : 16,269,964.20 = 2,759,602.80 : x
  2. Step 2: Convert to fraction form
    10,846,642.80/16,269,964.20 = 2,759,602.80/x
  3. Step 3: Cross multiply
    10,846,642.80x = 16,269,964.20 × 2,759,602.80
  4. Step 4: Simplify right side
    10,846,642.80x = 44,898,638,762,219.76
  5. Step 5: Solve for x
    x = 44,898,638,762,219.76/10,846,642.80
  6. Step 6: Final answer
    x = 4,139,404.20

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Double scale
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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.