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Finding the Fourth Proportional to 63,498.40, 95,280 and 26,087.20

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Solution

The fourth proportional to 63,498.40, 95,280 and 26,087.20 is: 39,144.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,498.40 : 95,280 = 26,087.20 : x
  2. Step 2: Convert to fraction form
    63,498.40/95,280 = 26,087.20/x
  3. Step 3: Cross multiply
    63,498.40x = 95,280 × 26,087.20
  4. Step 4: Simplify right side
    63,498.40x = 2,485,588,416
  5. Step 5: Solve for x
    x = 2,485,588,416/63,498.40
  6. Step 6: Final answer
    x = 39,144.11

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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.