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Finding the Fourth Proportional to 63,566.46, 87,715.91 and 37,720.56

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Solution

The fourth proportional to 63,566.46, 87,715.91 and 37,720.56 is: 52,050.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,566.46 : 87,715.91 = 37,720.56 : x
  2. Step 2: Convert to fraction form
    63,566.46/87,715.91 = 37,720.56/x
  3. Step 3: Cross multiply
    63,566.46x = 87,715.91 × 37,720.56
  4. Step 4: Simplify right side
    63,566.46x = 3,308,693,246.11
  5. Step 5: Solve for x
    x = 3,308,693,246.11/63,566.46
  6. Step 6: Final answer
    x = 52,050.93

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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.