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Finding the Fourth Proportional to 29,462.59, 40,659.29 and 16,716.31

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Solution

The fourth proportional to 29,462.59, 40,659.29 and 16,716.31 is: 23,069.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,462.59 : 40,659.29 = 16,716.31 : x
  2. Step 2: Convert to fraction form
    29,462.59/40,659.29 = 16,716.31/x
  3. Step 3: Cross multiply
    29,462.59x = 40,659.29 × 16,716.31
  4. Step 4: Simplify right side
    29,462.59x = 679,673,034.55
  5. Step 5: Solve for x
    x = 679,673,034.55/29,462.59
  6. Step 6: Final answer
    x = 23,069.02

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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.