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Finding the Fourth Proportional to 5,915.68, 8,855.06 and 4,357.44

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Solution

The fourth proportional to 5,915.68, 8,855.06 and 4,357.44 is: 6,522.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,915.68 : 8,855.06 = 4,357.44 : x
  2. Step 2: Convert to fraction form
    5,915.68/8,855.06 = 4,357.44/x
  3. Step 3: Cross multiply
    5,915.68x = 8,855.06 × 4,357.44
  4. Step 4: Simplify right side
    5,915.68x = 38,585,326.58
  5. Step 5: Solve for x
    x = 38,585,326.58/5,915.68
  6. Step 6: Final answer
    x = 6,522.56

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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.