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Finding the Fourth Proportional to 55,937.80, 83,906.60 and 16,522.59

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Solution

The fourth proportional to 55,937.80, 83,906.60 and 16,522.59 is: 24,783.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,937.80 : 83,906.60 = 16,522.59 : x
  2. Step 2: Convert to fraction form
    55,937.80/83,906.60 = 16,522.59/x
  3. Step 3: Cross multiply
    55,937.80x = 83,906.60 × 16,522.59
  4. Step 4: Simplify right side
    55,937.80x = 1,386,354,559.86
  5. Step 5: Solve for x
    x = 1,386,354,559.86/55,937.80
  6. Step 6: Final answer
    x = 24,783.86

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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.