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Finding the Fourth Proportional to 8,306.33, 12,465.33 and 7,512.28

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Solution

The fourth proportional to 8,306.33, 12,465.33 and 7,512.28 is: 11,273.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,306.33 : 12,465.33 = 7,512.28 : x
  2. Step 2: Convert to fraction form
    8,306.33/12,465.33 = 7,512.28/x
  3. Step 3: Cross multiply
    8,306.33x = 12,465.33 × 7,512.28
  4. Step 4: Simplify right side
    8,306.33x = 93,643,049.25
  5. Step 5: Solve for x
    x = 93,643,049.25/8,306.33
  6. Step 6: Final answer
    x = 11,273.70

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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.