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Finding the Fourth Proportional to 5,915.62, 8,878.90 and 2,995.98

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Solution

The fourth proportional to 5,915.62, 8,878.90 and 2,995.98 is: 4,496.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,915.62 : 8,878.90 = 2,995.98 : x
  2. Step 2: Convert to fraction form
    5,915.62/8,878.90 = 2,995.98/x
  3. Step 3: Cross multiply
    5,915.62x = 8,878.90 × 2,995.98
  4. Step 4: Simplify right side
    5,915.62x = 26,600,971.65
  5. Step 5: Solve for x
    x = 26,600,971.65/5,915.62
  6. Step 6: Final answer
    x = 4,496.73

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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.