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Finding the Fourth Proportional to 65,708.80, 98,563.20 and 24,150.40

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Solution

The fourth proportional to 65,708.80, 98,563.20 and 24,150.40 is: 36,225.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,708.80 : 98,563.20 = 24,150.40 : x
  2. Step 2: Convert to fraction form
    65,708.80/98,563.20 = 24,150.40/x
  3. Step 3: Cross multiply
    65,708.80x = 98,563.20 × 24,150.40
  4. Step 4: Simplify right side
    65,708.80x = 2,380,340,705.28
  5. Step 5: Solve for x
    x = 2,380,340,705.28/65,708.80
  6. Step 6: Final answer
    x = 36,225.60

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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.