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Finding the Fourth Proportional to 52,641.80, 72,522.52 and 36,697.76

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Solution

The fourth proportional to 52,641.80, 72,522.52 and 36,697.76 is: 50,557.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,641.80 : 72,522.52 = 36,697.76 : x
  2. Step 2: Convert to fraction form
    52,641.80/72,522.52 = 36,697.76/x
  3. Step 3: Cross multiply
    52,641.80x = 72,522.52 × 36,697.76
  4. Step 4: Simplify right side
    52,641.80x = 2,661,413,670.94
  5. Step 5: Solve for x
    x = 2,661,413,670.94/52,641.80
  6. Step 6: Final answer
    x = 50,557.05

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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.