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Finding the Fourth Proportional to 8,750.31, 12,076.47 and 5,524.82

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Solution

The fourth proportional to 8,750.31, 12,076.47 and 5,524.82 is: 7,624.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,750.31 : 12,076.47 = 5,524.82 : x
  2. Step 2: Convert to fraction form
    8,750.31/12,076.47 = 5,524.82/x
  3. Step 3: Cross multiply
    8,750.31x = 12,076.47 × 5,524.82
  4. Step 4: Simplify right side
    8,750.31x = 66,720,252.24
  5. Step 5: Solve for x
    x = 66,720,252.24/8,750.31
  6. Step 6: Final answer
    x = 7,624.90

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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.