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Finding the Fourth Proportional to 62,882.70, 86,776.31 and 34,588.39

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Solution

The fourth proportional to 62,882.70, 86,776.31 and 34,588.39 is: 47,730.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,882.70 : 86,776.31 = 34,588.39 : x
  2. Step 2: Convert to fraction form
    62,882.70/86,776.31 = 34,588.39/x
  3. Step 3: Cross multiply
    62,882.70x = 86,776.31 × 34,588.39
  4. Step 4: Simplify right side
    62,882.70x = 3,001,452,419.16
  5. Step 5: Solve for x
    x = 3,001,452,419.16/62,882.70
  6. Step 6: Final answer
    x = 47,730.98

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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.