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Finding the Fourth Proportional to 54,248.42, 81,462.90 and 36,592.72

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Solution

The fourth proportional to 54,248.42, 81,462.90 and 36,592.72 is: 54,949.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,248.42 : 81,462.90 = 36,592.72 : x
  2. Step 2: Convert to fraction form
    54,248.42/81,462.90 = 36,592.72/x
  3. Step 3: Cross multiply
    54,248.42x = 81,462.90 × 36,592.72
  4. Step 4: Simplify right side
    54,248.42x = 2,980,949,544.98
  5. Step 5: Solve for x
    x = 2,980,949,544.98/54,248.42
  6. Step 6: Final answer
    x = 54,949.98

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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.