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Finding the Fourth Proportional to 63,572.32, 87,720.06 and 38,072.71

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Solution

The fourth proportional to 63,572.32, 87,720.06 and 38,072.71 is: 52,534.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,572.32 : 87,720.06 = 38,072.71 : x
  2. Step 2: Convert to fraction form
    63,572.32/87,720.06 = 38,072.71/x
  3. Step 3: Cross multiply
    63,572.32x = 87,720.06 × 38,072.71
  4. Step 4: Simplify right side
    63,572.32x = 3,339,740,405.56
  5. Step 5: Solve for x
    x = 3,339,740,405.56/63,572.32
  6. Step 6: Final answer
    x = 52,534.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.