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Finding the Fourth Proportional to 44,642.72, 66,893.36 and 36,282.40

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Solution

The fourth proportional to 44,642.72, 66,893.36 and 36,282.40 is: 54,366.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,642.72 : 66,893.36 = 36,282.40 : x
  2. Step 2: Convert to fraction form
    44,642.72/66,893.36 = 36,282.40/x
  3. Step 3: Cross multiply
    44,642.72x = 66,893.36 × 36,282.40
  4. Step 4: Simplify right side
    44,642.72x = 2,427,051,644.86
  5. Step 5: Solve for x
    x = 2,427,051,644.86/44,642.72
  6. Step 6: Final answer
    x = 54,366.12

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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.