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Finding the Fourth Proportional to 65,744.20, 98,616.30 and 65,744.20

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Solution

The fourth proportional to 65,744.20, 98,616.30 and 65,744.20 is: 98,616.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,744.20 : 98,616.30 = 65,744.20 : x
  2. Step 2: Convert to fraction form
    65,744.20/98,616.30 = 65,744.20/x
  3. Step 3: Cross multiply
    65,744.20x = 98,616.30 × 65,744.20
  4. Step 4: Simplify right side
    65,744.20x = 6,483,449,750.46
  5. Step 5: Solve for x
    x = 6,483,449,750.46/65,744.20
  6. Step 6: Final answer
    x = 98,616.30

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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.