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Finding the Fourth Proportional to 5,915.48, 8,872.42 and 3,717.48

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Solution

The fourth proportional to 5,915.48, 8,872.42 and 3,717.48 is: 5,575.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,915.48 : 8,872.42 = 3,717.48 : x
  2. Step 2: Convert to fraction form
    5,915.48/8,872.42 = 3,717.48/x
  3. Step 3: Cross multiply
    5,915.48x = 8,872.42 × 3,717.48
  4. Step 4: Simplify right side
    5,915.48x = 32,983,043.90
  5. Step 5: Solve for x
    x = 32,983,043.90/5,915.48
  6. Step 6: Final answer
    x = 5,575.72

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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.