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Finding the Fourth Proportional to 65,358.50, 98,025.24 and 25,377.48

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Solution

The fourth proportional to 65,358.50, 98,025.24 and 25,377.48 is: 38,061.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,358.50 : 98,025.24 = 25,377.48 : x
  2. Step 2: Convert to fraction form
    65,358.50/98,025.24 = 25,377.48/x
  3. Step 3: Cross multiply
    65,358.50x = 98,025.24 × 25,377.48
  4. Step 4: Simplify right side
    65,358.50x = 2,487,633,567.60
  5. Step 5: Solve for x
    x = 2,487,633,567.60/65,358.50
  6. Step 6: Final answer
    x = 38,061.36

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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.