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Finding the Fourth Proportional to 62,381.87, 86,087.20 and 34,087.55

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Solution

The fourth proportional to 62,381.87, 86,087.20 and 34,087.55 is: 47,040.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,381.87 : 86,087.20 = 34,087.55 : x
  2. Step 2: Convert to fraction form
    62,381.87/86,087.20 = 34,087.55/x
  3. Step 3: Cross multiply
    62,381.87x = 86,087.20 × 34,087.55
  4. Step 4: Simplify right side
    62,381.87x = 2,934,501,864.36
  5. Step 5: Solve for x
    x = 2,934,501,864.36/62,381.87
  6. Step 6: Final answer
    x = 47,040.94

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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.