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Finding the Fourth Proportional to 65,099.43, 97,686.03 and 25,684.23

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Solution

The fourth proportional to 65,099.43, 97,686.03 and 25,684.23 is: 38,540.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,099.43 : 97,686.03 = 25,684.23 : x
  2. Step 2: Convert to fraction form
    65,099.43/97,686.03 = 25,684.23/x
  3. Step 3: Cross multiply
    65,099.43x = 97,686.03 × 25,684.23
  4. Step 4: Simplify right side
    65,099.43x = 2,508,990,462.31
  5. Step 5: Solve for x
    x = 2,508,990,462.31/65,099.43
  6. Step 6: Final answer
    x = 38,540.90

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1.5x scale

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.