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Finding the Fourth Proportional to 71,593.10, 98,802.96 and 41,383.88

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Solution

The fourth proportional to 71,593.10, 98,802.96 and 41,383.88 is: 57,112.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,593.10 : 98,802.96 = 41,383.88 : x
  2. Step 2: Convert to fraction form
    71,593.10/98,802.96 = 41,383.88/x
  3. Step 3: Cross multiply
    71,593.10x = 98,802.96 × 41,383.88
  4. Step 4: Simplify right side
    71,593.10x = 4,088,849,840.28
  5. Step 5: Solve for x
    x = 4,088,849,840.28/71,593.10
  6. Step 6: Final answer
    x = 57,112.35

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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.