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Finding the Fourth Proportional to 62,510.76, 86,265.66 and 34,215.84

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Solution

The fourth proportional to 62,510.76, 86,265.66 and 34,215.84 is: 47,218.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,510.76 : 86,265.66 = 34,215.84 : x
  2. Step 2: Convert to fraction form
    62,510.76/86,265.66 = 34,215.84/x
  3. Step 3: Cross multiply
    62,510.76x = 86,265.66 × 34,215.84
  4. Step 4: Simplify right side
    62,510.76x = 2,951,652,020.05
  5. Step 5: Solve for x
    x = 2,951,652,020.05/62,510.76
  6. Step 6: Final answer
    x = 47,218.30

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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.