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Finding the Fourth Proportional to 71,585.58, 98,802.62 and 41,372.18

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Solution

The fourth proportional to 71,585.58, 98,802.62 and 41,372.18 is: 57,101.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,585.58 : 98,802.62 = 41,372.18 : x
  2. Step 2: Convert to fraction form
    71,585.58/98,802.62 = 41,372.18/x
  3. Step 3: Cross multiply
    71,585.58x = 98,802.62 × 41,372.18
  4. Step 4: Simplify right side
    71,585.58x = 4,087,679,078.24
  5. Step 5: Solve for x
    x = 4,087,679,078.24/71,585.58
  6. Step 6: Final answer
    x = 57,101.99

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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.