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Finding the Fourth Proportional to 22,347.12, 33,520.74 and 6,764.74

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Solution

The fourth proportional to 22,347.12, 33,520.74 and 6,764.74 is: 10,147.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,347.12 : 33,520.74 = 6,764.74 : x
  2. Step 2: Convert to fraction form
    22,347.12/33,520.74 = 6,764.74/x
  3. Step 3: Cross multiply
    22,347.12x = 33,520.74 × 6,764.74
  4. Step 4: Simplify right side
    22,347.12x = 226,759,090.71
  5. Step 5: Solve for x
    x = 226,759,090.71/22,347.12
  6. Step 6: Final answer
    x = 10,147.13

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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.