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Finding the Fourth Proportional to 65,125.52, 89,873.28 and 35,317.52

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Solution

The fourth proportional to 65,125.52, 89,873.28 and 35,317.52 is: 48,738.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,125.52 : 89,873.28 = 35,317.52 : x
  2. Step 2: Convert to fraction form
    65,125.52/89,873.28 = 35,317.52/x
  3. Step 3: Cross multiply
    65,125.52x = 89,873.28 × 35,317.52
  4. Step 4: Simplify right side
    65,125.52x = 3,174,101,363.87
  5. Step 5: Solve for x
    x = 3,174,101,363.87/65,125.52
  6. Step 6: Final answer
    x = 48,738.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.