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Finding the Fourth Proportional to 29,442.52, 44,159.46 and 9,721.72

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Solution

The fourth proportional to 29,442.52, 44,159.46 and 9,721.72 is: 14,581.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,442.52 : 44,159.46 = 9,721.72 : x
  2. Step 2: Convert to fraction form
    29,442.52/44,159.46 = 9,721.72/x
  3. Step 3: Cross multiply
    29,442.52x = 44,159.46 × 9,721.72
  4. Step 4: Simplify right side
    29,442.52x = 429,305,905.47
  5. Step 5: Solve for x
    x = 429,305,905.47/29,442.52
  6. Step 6: Final answer
    x = 14,581.15

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1.5x scale

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.