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Finding the Fourth Proportional to 29,459.98, 40,654.71 and 16,715.66

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Solution

The fourth proportional to 29,459.98, 40,654.71 and 16,715.66 is: 23,067.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,459.98 : 40,654.71 = 16,715.66 : x
  2. Step 2: Convert to fraction form
    29,459.98/40,654.71 = 16,715.66/x
  3. Step 3: Cross multiply
    29,459.98x = 40,654.71 × 16,715.66
  4. Step 4: Simplify right side
    29,459.98x = 679,570,309.76
  5. Step 5: Solve for x
    x = 679,570,309.76/29,459.98
  6. Step 6: Final answer
    x = 23,067.58

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1.5x scale

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.