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Finding the Fourth Proportional to 29,073.66, 40,133.84 and 19,654.98

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Solution

The fourth proportional to 29,073.66, 40,133.84 and 19,654.98 is: 27,132.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,073.66 : 40,133.84 = 19,654.98 : x
  2. Step 2: Convert to fraction form
    29,073.66/40,133.84 = 19,654.98/x
  3. Step 3: Cross multiply
    29,073.66x = 40,133.84 × 19,654.98
  4. Step 4: Simplify right side
    29,073.66x = 788,829,822.52
  5. Step 5: Solve for x
    x = 788,829,822.52/29,073.66
  6. Step 6: Final answer
    x = 27,132.11

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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.