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Finding the Fourth Proportional to 52,592.80, 78,801.72 and 36,977.68

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Solution

The fourth proportional to 52,592.80, 78,801.72 and 36,977.68 is: 55,405.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,592.80 : 78,801.72 = 36,977.68 : x
  2. Step 2: Convert to fraction form
    52,592.80/78,801.72 = 36,977.68/x
  3. Step 3: Cross multiply
    52,592.80x = 78,801.72 × 36,977.68
  4. Step 4: Simplify right side
    52,592.80x = 2,913,904,785.61
  5. Step 5: Solve for x
    x = 2,913,904,785.61/52,592.80
  6. Step 6: Final answer
    x = 55,405.01

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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.