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Finding the Fourth Proportional to 51,706.88, 71,353.92 and 29,350.72

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Solution

The fourth proportional to 51,706.88, 71,353.92 and 29,350.72 is: 40,503.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,706.88 : 71,353.92 = 29,350.72 : x
  2. Step 2: Convert to fraction form
    51,706.88/71,353.92 = 29,350.72/x
  3. Step 3: Cross multiply
    51,706.88x = 71,353.92 × 29,350.72
  4. Step 4: Simplify right side
    51,706.88x = 2,094,288,926.82
  5. Step 5: Solve for x
    x = 2,094,288,926.82/51,706.88
  6. Step 6: Final answer
    x = 40,503.10

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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.