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Finding the Fourth Proportional to 69,500.70, 95,916.96 and 39,291.42

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Solution

The fourth proportional to 69,500.70, 95,916.96 and 39,291.42 is: 54,225.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,500.70 : 95,916.96 = 39,291.42 : x
  2. Step 2: Convert to fraction form
    69,500.70/95,916.96 = 39,291.42/x
  3. Step 3: Cross multiply
    69,500.70x = 95,916.96 × 39,291.42
  4. Step 4: Simplify right side
    69,500.70x = 3,768,713,560.48
  5. Step 5: Solve for x
    x = 3,768,713,560.48/69,500.70
  6. Step 6: Final answer
    x = 54,225.55

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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.