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Finding the Fourth Proportional to 47,503.20, 71,254.80 and 44,392.80

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Solution

The fourth proportional to 47,503.20, 71,254.80 and 44,392.80 is: 66,589.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,503.20 : 71,254.80 = 44,392.80 : x
  2. Step 2: Convert to fraction form
    47,503.20/71,254.80 = 44,392.80/x
  3. Step 3: Cross multiply
    47,503.20x = 71,254.80 × 44,392.80
  4. Step 4: Simplify right side
    47,503.20x = 3,163,200,085.44
  5. Step 5: Solve for x
    x = 3,163,200,085.44/47,503.20
  6. Step 6: Final answer
    x = 66,589.20

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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.