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Finding the Fourth Proportional to 63,890.52, 95,902.74 and 30,638.76

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Solution

The fourth proportional to 63,890.52, 95,902.74 and 30,638.76 is: 45,990.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,890.52 : 95,902.74 = 30,638.76 : x
  2. Step 2: Convert to fraction form
    63,890.52/95,902.74 = 30,638.76/x
  3. Step 3: Cross multiply
    63,890.52x = 95,902.74 × 30,638.76
  4. Step 4: Simplify right side
    63,890.52x = 2,938,341,034.20
  5. Step 5: Solve for x
    x = 2,938,341,034.20/63,890.52
  6. Step 6: Final answer
    x = 45,990.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.