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Finding the Fourth Proportional to 29,959.68, 41,349.12 and 16,711.68

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Solution

The fourth proportional to 29,959.68, 41,349.12 and 16,711.68 is: 23,064.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,959.68 : 41,349.12 = 16,711.68 : x
  2. Step 2: Convert to fraction form
    29,959.68/41,349.12 = 16,711.68/x
  3. Step 3: Cross multiply
    29,959.68x = 41,349.12 × 16,711.68
  4. Step 4: Simplify right side
    29,959.68x = 691,013,261.72
  5. Step 5: Solve for x
    x = 691,013,261.72/29,959.68
  6. Step 6: Final answer
    x = 23,064.77

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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.