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Finding the Fourth Proportional to 65,773.08, 98,643.19 and 25,800.18

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Solution

The fourth proportional to 65,773.08, 98,643.19 and 25,800.18 is: 38,693.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,773.08 : 98,643.19 = 25,800.18 : x
  2. Step 2: Convert to fraction form
    65,773.08/98,643.19 = 25,800.18/x
  3. Step 3: Cross multiply
    65,773.08x = 98,643.19 × 25,800.18
  4. Step 4: Simplify right side
    65,773.08x = 2,545,012,057.77
  5. Step 5: Solve for x
    x = 2,545,012,057.77/65,773.08
  6. Step 6: Final answer
    x = 38,693.83

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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.