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Finding the Fourth Proportional to 62,177.99, 85,819.48 and 39,512.56

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Solution

The fourth proportional to 62,177.99, 85,819.48 and 39,512.56 is: 54,536.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,177.99 : 85,819.48 = 39,512.56 : x
  2. Step 2: Convert to fraction form
    62,177.99/85,819.48 = 39,512.56/x
  3. Step 3: Cross multiply
    62,177.99x = 85,819.48 × 39,512.56
  4. Step 4: Simplify right side
    62,177.99x = 3,390,947,352.67
  5. Step 5: Solve for x
    x = 3,390,947,352.67/62,177.99
  6. Step 6: Final answer
    x = 54,536.14

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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.