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Finding the Fourth Proportional to 67,779.76, 93,533.52 and 37,565.59

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Solution

The fourth proportional to 67,779.76, 93,533.52 and 37,565.59 is: 51,839.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,779.76 : 93,533.52 = 37,565.59 : x
  2. Step 2: Convert to fraction form
    67,779.76/93,533.52 = 37,565.59/x
  3. Step 3: Cross multiply
    67,779.76x = 93,533.52 × 37,565.59
  4. Step 4: Simplify right side
    67,779.76x = 3,513,641,909.58
  5. Step 5: Solve for x
    x = 3,513,641,909.58/67,779.76
  6. Step 6: Final answer
    x = 51,839.11

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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.