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Finding the Fourth Proportional to 63,876.40, 95,814.60 and 57,655.60

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Solution

The fourth proportional to 63,876.40, 95,814.60 and 57,655.60 is: 86,483.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,876.40 : 95,814.60 = 57,655.60 : x
  2. Step 2: Convert to fraction form
    63,876.40/95,814.60 = 57,655.60/x
  3. Step 3: Cross multiply
    63,876.40x = 95,814.60 × 57,655.60
  4. Step 4: Simplify right side
    63,876.40x = 5,524,248,251.76
  5. Step 5: Solve for x
    x = 5,524,248,251.76/63,876.40
  6. Step 6: Final answer
    x = 86,483.40

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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.