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Finding the Fourth Proportional to 57,702.88, 79,631.40 and 32,554

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Solution

The fourth proportional to 57,702.88, 79,631.40 and 32,554 is: 44,925.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,702.88 : 79,631.40 = 32,554 : x
  2. Step 2: Convert to fraction form
    57,702.88/79,631.40 = 32,554/x
  3. Step 3: Cross multiply
    57,702.88x = 79,631.40 × 32,554
  4. Step 4: Simplify right side
    57,702.88x = 2,592,320,595.60
  5. Step 5: Solve for x
    x = 2,592,320,595.60/57,702.88
  6. Step 6: Final answer
    x = 44,925.32

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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.