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Finding the Fourth Proportional to 67,779.81, 93,536.82 and 37,565.79

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Solution

The fourth proportional to 67,779.81, 93,536.82 and 37,565.79 is: 51,841.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,779.81 : 93,536.82 = 37,565.79 : x
  2. Step 2: Convert to fraction form
    67,779.81/93,536.82 = 37,565.79/x
  3. Step 3: Cross multiply
    67,779.81x = 93,536.82 × 37,565.79
  4. Step 4: Simplify right side
    67,779.81x = 3,513,784,537.39
  5. Step 5: Solve for x
    x = 3,513,784,537.39/67,779.81
  6. Step 6: Final answer
    x = 51,841.17

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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.