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Finding the Fourth Proportional to 8,048.31, 12,080.29 and 7,604.53

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Solution

The fourth proportional to 8,048.31, 12,080.29 and 7,604.53 is: 11,414.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,048.31 : 12,080.29 = 7,604.53 : x
  2. Step 2: Convert to fraction form
    8,048.31/12,080.29 = 7,604.53/x
  3. Step 3: Cross multiply
    8,048.31x = 12,080.29 × 7,604.53
  4. Step 4: Simplify right side
    8,048.31x = 91,864,960.71
  5. Step 5: Solve for x
    x = 91,864,960.71/8,048.31
  6. Step 6: Final answer
    x = 11,414.19

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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.