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Finding the Fourth Proportional to 43,552.40, 65,467.80 and 40,470.80

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Solution

The fourth proportional to 43,552.40, 65,467.80 and 40,470.80 is: 60,835.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,552.40 : 65,467.80 = 40,470.80 : x
  2. Step 2: Convert to fraction form
    43,552.40/65,467.80 = 40,470.80/x
  3. Step 3: Cross multiply
    43,552.40x = 65,467.80 × 40,470.80
  4. Step 4: Simplify right side
    43,552.40x = 2,649,534,240.24
  5. Step 5: Solve for x
    x = 2,649,534,240.24/43,552.40
  6. Step 6: Final answer
    x = 60,835.55

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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.