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Finding the Fourth Proportional to 63,483.64, 95,143.45 and 30,213.90

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Solution

The fourth proportional to 63,483.64, 95,143.45 and 30,213.90 is: 45,281.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,483.64 : 95,143.45 = 30,213.90 : x
  2. Step 2: Convert to fraction form
    63,483.64/95,143.45 = 30,213.90/x
  3. Step 3: Cross multiply
    63,483.64x = 95,143.45 × 30,213.90
  4. Step 4: Simplify right side
    63,483.64x = 2,874,654,683.96
  5. Step 5: Solve for x
    x = 2,874,654,683.96/63,483.64
  6. Step 6: Final answer
    x = 45,281.82

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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.