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Finding the Fourth Proportional to 65,062.49, 89,785.50 and 35,254.49

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Solution

The fourth proportional to 65,062.49, 89,785.50 and 35,254.49 is: 48,650.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,062.49 : 89,785.50 = 35,254.49 : x
  2. Step 2: Convert to fraction form
    65,062.49/89,785.50 = 35,254.49/x
  3. Step 3: Cross multiply
    65,062.49x = 89,785.50 × 35,254.49
  4. Step 4: Simplify right side
    65,062.49x = 3,165,342,011.90
  5. Step 5: Solve for x
    x = 3,165,342,011.90/65,062.49
  6. Step 6: Final answer
    x = 48,650.80

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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.