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Finding the Fourth Proportional to 29,123.58, 43,729.13 and 16,657.68

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Solution

The fourth proportional to 29,123.58, 43,729.13 and 16,657.68 is: 25,011.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,123.58 : 43,729.13 = 16,657.68 : x
  2. Step 2: Convert to fraction form
    29,123.58/43,729.13 = 16,657.68/x
  3. Step 3: Cross multiply
    29,123.58x = 43,729.13 × 16,657.68
  4. Step 4: Simplify right side
    29,123.58x = 728,426,059.85
  5. Step 5: Solve for x
    x = 728,426,059.85/29,123.58
  6. Step 6: Final answer
    x = 25,011.55

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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.