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Finding the Fourth Proportional to 67,802.88, 93,565.44 and 37,992.96

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Solution

The fourth proportional to 67,802.88, 93,565.44 and 37,992.96 is: 52,428.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,802.88 : 93,565.44 = 37,992.96 : x
  2. Step 2: Convert to fraction form
    67,802.88/93,565.44 = 37,992.96/x
  3. Step 3: Cross multiply
    67,802.88x = 93,565.44 × 37,992.96
  4. Step 4: Simplify right side
    67,802.88x = 3,554,828,019.30
  5. Step 5: Solve for x
    x = 3,554,828,019.30/67,802.88
  6. Step 6: Final answer
    x = 52,428.86

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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.