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Finding the Fourth Proportional to 52,531.70, 69,811.87 and 52,531.70

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Solution

The fourth proportional to 52,531.70, 69,811.87 and 52,531.70 is: 69,811.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,531.70 : 69,811.87 = 52,531.70 : x
  2. Step 2: Convert to fraction form
    52,531.70/69,811.87 = 52,531.70/x
  3. Step 3: Cross multiply
    52,531.70x = 69,811.87 × 52,531.70
  4. Step 4: Simplify right side
    52,531.70x = 3,667,335,948.62
  5. Step 5: Solve for x
    x = 3,667,335,948.62/52,531.70
  6. Step 6: Final answer
    x = 69,811.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.