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Finding the Fourth Proportional to 56,160.64, 84,265.41 and 32,787.08

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Solution

The fourth proportional to 56,160.64, 84,265.41 and 32,787.08 is: 49,194.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,160.64 : 84,265.41 = 32,787.08 : x
  2. Step 2: Convert to fraction form
    56,160.64/84,265.41 = 32,787.08/x
  3. Step 3: Cross multiply
    56,160.64x = 84,265.41 × 32,787.08
  4. Step 4: Simplify right side
    56,160.64x = 2,762,816,756.52
  5. Step 5: Solve for x
    x = 2,762,816,756.52/56,160.64
  6. Step 6: Final answer
    x = 49,194.89

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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.