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Finding the Fourth Proportional to 62,759.96, 86,610.12 and 34,465.76

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Solution

The fourth proportional to 62,759.96, 86,610.12 and 34,465.76 is: 47,563.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,759.96 : 86,610.12 = 34,465.76 : x
  2. Step 2: Convert to fraction form
    62,759.96/86,610.12 = 34,465.76/x
  3. Step 3: Cross multiply
    62,759.96x = 86,610.12 × 34,465.76
  4. Step 4: Simplify right side
    62,759.96x = 2,985,083,609.49
  5. Step 5: Solve for x
    x = 2,985,083,609.49/62,759.96
  6. Step 6: Final answer
    x = 47,563.50

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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.