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Finding the Fourth Proportional to 29,240.08, 40,319.55 and 18,616.12

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Solution

The fourth proportional to 29,240.08, 40,319.55 and 18,616.12 is: 25,670.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,240.08 : 40,319.55 = 18,616.12 : x
  2. Step 2: Convert to fraction form
    29,240.08/40,319.55 = 18,616.12/x
  3. Step 3: Cross multiply
    29,240.08x = 40,319.55 × 18,616.12
  4. Step 4: Simplify right side
    29,240.08x = 750,593,581.15
  5. Step 5: Solve for x
    x = 750,593,581.15/29,240.08
  6. Step 6: Final answer
    x = 25,670.02

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