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Finding the Fourth Proportional to 63,013.52, 86,958.96 and 34,719.14

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Solution

The fourth proportional to 63,013.52, 86,958.96 and 34,719.14 is: 47,912.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,013.52 : 86,958.96 = 34,719.14 : x
  2. Step 2: Convert to fraction form
    63,013.52/86,958.96 = 34,719.14/x
  3. Step 3: Cross multiply
    63,013.52x = 86,958.96 × 34,719.14
  4. Step 4: Simplify right side
    63,013.52x = 3,019,140,306.49
  5. Step 5: Solve for x
    x = 3,019,140,306.49/63,013.52
  6. Step 6: Final answer
    x = 47,912.58

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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.