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Finding the Fourth Proportional to 40,476.39, 60,753.47 and 19,714.47

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Solution

The fourth proportional to 40,476.39, 60,753.47 and 19,714.47 is: 29,590.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,476.39 : 60,753.47 = 19,714.47 : x
  2. Step 2: Convert to fraction form
    40,476.39/60,753.47 = 19,714.47/x
  3. Step 3: Cross multiply
    40,476.39x = 60,753.47 × 19,714.47
  4. Step 4: Simplify right side
    40,476.39x = 1,197,722,363.14
  5. Step 5: Solve for x
    x = 1,197,722,363.14/40,476.39
  6. Step 6: Final answer
    x = 29,590.64

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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.