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Finding the Fourth Proportional to 65,527.72, 98,168.22 and 38,794.60

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Solution

The fourth proportional to 65,527.72, 98,168.22 and 38,794.60 is: 58,118.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,527.72 : 98,168.22 = 38,794.60 : x
  2. Step 2: Convert to fraction form
    65,527.72/98,168.22 = 38,794.60/x
  3. Step 3: Cross multiply
    65,527.72x = 98,168.22 × 38,794.60
  4. Step 4: Simplify right side
    65,527.72x = 3,808,396,827.61
  5. Step 5: Solve for x
    x = 3,808,396,827.61/65,527.72
  6. Step 6: Final answer
    x = 58,118.87

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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.