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Finding the Fourth Proportional to 32,080.80, 48,121.20 and 11,306.40

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Solution

The fourth proportional to 32,080.80, 48,121.20 and 11,306.40 is: 16,959.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,080.80 : 48,121.20 = 11,306.40 : x
  2. Step 2: Convert to fraction form
    32,080.80/48,121.20 = 11,306.40/x
  3. Step 3: Cross multiply
    32,080.80x = 48,121.20 × 11,306.40
  4. Step 4: Simplify right side
    32,080.80x = 544,077,535.68
  5. Step 5: Solve for x
    x = 544,077,535.68/32,080.80
  6. Step 6: Final answer
    x = 16,959.60

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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.