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Finding the Fourth Proportional to 67,779.91, 93,536.94 and 37,565.90

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Solution

The fourth proportional to 67,779.91, 93,536.94 and 37,565.90 is: 51,841.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,779.91 : 93,536.94 = 37,565.90 : x
  2. Step 2: Convert to fraction form
    67,779.91/93,536.94 = 37,565.90/x
  3. Step 3: Cross multiply
    67,779.91x = 93,536.94 × 37,565.90
  4. Step 4: Simplify right side
    67,779.91x = 3,513,799,334.35
  5. Step 5: Solve for x
    x = 3,513,799,334.35/67,779.91
  6. Step 6: Final answer
    x = 51,841.31

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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.