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Finding the Fourth Proportional to 10,602.63, 15,903.94 and 3,206.92

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Solution

The fourth proportional to 10,602.63, 15,903.94 and 3,206.92 is: 4,810.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,602.63 : 15,903.94 = 3,206.92 : x
  2. Step 2: Convert to fraction form
    10,602.63/15,903.94 = 3,206.92/x
  3. Step 3: Cross multiply
    10,602.63x = 15,903.94 × 3,206.92
  4. Step 4: Simplify right side
    10,602.63x = 51,002,663.26
  5. Step 5: Solve for x
    x = 51,002,663.26/10,602.63
  6. Step 6: Final answer
    x = 4,810.38

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Double scale
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Similar ratio
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1.5x scale

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.