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Finding the Fourth Proportional to 59,585.80, 89,374.07 and 28,002.77

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Solution

The fourth proportional to 59,585.80, 89,374.07 and 28,002.77 is: 42,001.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,585.80 : 89,374.07 = 28,002.77 : x
  2. Step 2: Convert to fraction form
    59,585.80/89,374.07 = 28,002.77/x
  3. Step 3: Cross multiply
    59,585.80x = 89,374.07 × 28,002.77
  4. Step 4: Simplify right side
    59,585.80x = 2,502,721,386.16
  5. Step 5: Solve for x
    x = 2,502,721,386.16/59,585.80
  6. Step 6: Final answer
    x = 42,001.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.