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Finding the Fourth Proportional to 57,987.93, 86,998.76 and 24,269.86

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Solution

The fourth proportional to 57,987.93, 86,998.76 and 24,269.86 is: 36,411.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,987.93 : 86,998.76 = 24,269.86 : x
  2. Step 2: Convert to fraction form
    57,987.93/86,998.76 = 24,269.86/x
  3. Step 3: Cross multiply
    57,987.93x = 86,998.76 × 24,269.86
  4. Step 4: Simplify right side
    57,987.93x = 2,111,447,803.78
  5. Step 5: Solve for x
    x = 2,111,447,803.78/57,987.93
  6. Step 6: Final answer
    x = 36,411.85

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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.