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Finding the Fourth Proportional to 40,568.40, 60,852.60 and 29,422.80

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Solution

The fourth proportional to 40,568.40, 60,852.60 and 29,422.80 is: 44,134.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,568.40 : 60,852.60 = 29,422.80 : x
  2. Step 2: Convert to fraction form
    40,568.40/60,852.60 = 29,422.80/x
  3. Step 3: Cross multiply
    40,568.40x = 60,852.60 × 29,422.80
  4. Step 4: Simplify right side
    40,568.40x = 1,790,453,879.28
  5. Step 5: Solve for x
    x = 1,790,453,879.28/40,568.40
  6. Step 6: Final answer
    x = 44,134.20

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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.