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Finding the Fourth Proportional to 65,508.74, 98,263.16 and 28,044.52

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Solution

The fourth proportional to 65,508.74, 98,263.16 and 28,044.52 is: 42,066.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,508.74 : 98,263.16 = 28,044.52 : x
  2. Step 2: Convert to fraction form
    65,508.74/98,263.16 = 28,044.52/x
  3. Step 3: Cross multiply
    65,508.74x = 98,263.16 × 28,044.52
  4. Step 4: Simplify right side
    65,508.74x = 2,755,743,155.88
  5. Step 5: Solve for x
    x = 2,755,743,155.88/65,508.74
  6. Step 6: Final answer
    x = 42,066.80

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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.