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Finding the Fourth Proportional to 40,410.40, 60,471.60 and 25,626.40

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Solution

The fourth proportional to 40,410.40, 60,471.60 and 25,626.40 is: 38,348.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,410.40 : 60,471.60 = 25,626.40 : x
  2. Step 2: Convert to fraction form
    40,410.40/60,471.60 = 25,626.40/x
  3. Step 3: Cross multiply
    40,410.40x = 60,471.60 × 25,626.40
  4. Step 4: Simplify right side
    40,410.40x = 1,549,669,410.24
  5. Step 5: Solve for x
    x = 1,549,669,410.24/40,410.40
  6. Step 6: Final answer
    x = 38,348.28

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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.