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Finding the Fourth Proportional to 8,053.76, 12,080.46 and 3,672.40

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Solution

The fourth proportional to 8,053.76, 12,080.46 and 3,672.40 is: 5,508.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,053.76 : 12,080.46 = 3,672.40 : x
  2. Step 2: Convert to fraction form
    8,053.76/12,080.46 = 3,672.40/x
  3. Step 3: Cross multiply
    8,053.76x = 12,080.46 × 3,672.40
  4. Step 4: Simplify right side
    8,053.76x = 44,364,281.30
  5. Step 5: Solve for x
    x = 44,364,281.30/8,053.76
  6. Step 6: Final answer
    x = 5,508.52

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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.