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Finding the Fourth Proportional to 6,872.48, 9,479.76 and 6,032.52

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Solution

The fourth proportional to 6,872.48, 9,479.76 and 6,032.52 is: 8,321.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,872.48 : 9,479.76 = 6,032.52 : x
  2. Step 2: Convert to fraction form
    6,872.48/9,479.76 = 6,032.52/x
  3. Step 3: Cross multiply
    6,872.48x = 9,479.76 × 6,032.52
  4. Step 4: Simplify right side
    6,872.48x = 57,186,841.80
  5. Step 5: Solve for x
    x = 57,186,841.80/6,872.48
  6. Step 6: Final answer
    x = 8,321.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.