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Finding the Fourth Proportional to 65,532.20, 98,371.20 and 40,600.40

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Solution

The fourth proportional to 65,532.20, 98,371.20 and 40,600.40 is: 60,945.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,532.20 : 98,371.20 = 40,600.40 : x
  2. Step 2: Convert to fraction form
    65,532.20/98,371.20 = 40,600.40/x
  3. Step 3: Cross multiply
    65,532.20x = 98,371.20 × 40,600.40
  4. Step 4: Simplify right side
    65,532.20x = 3,993,910,068.48
  5. Step 5: Solve for x
    x = 3,993,910,068.48/65,532.20
  6. Step 6: Final answer
    x = 60,945.77

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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.