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Finding the Fourth Proportional to 65,876.58, 98,622.09 and 40,841.10

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Solution

The fourth proportional to 65,876.58, 98,622.09 and 40,841.10 is: 61,142.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,876.58 : 98,622.09 = 40,841.10 : x
  2. Step 2: Convert to fraction form
    65,876.58/98,622.09 = 40,841.10/x
  3. Step 3: Cross multiply
    65,876.58x = 98,622.09 × 40,841.10
  4. Step 4: Simplify right side
    65,876.58x = 4,027,834,639.90
  5. Step 5: Solve for x
    x = 4,027,834,639.90/65,876.58
  6. Step 6: Final answer
    x = 61,142.13

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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.