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Finding the Fourth Proportional to 6,792.80, 10,188.48 and 1,862.88

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Solution

The fourth proportional to 6,792.80, 10,188.48 and 1,862.88 is: 2,794.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,792.80 : 10,188.48 = 1,862.88 : x
  2. Step 2: Convert to fraction form
    6,792.80/10,188.48 = 1,862.88/x
  3. Step 3: Cross multiply
    6,792.80x = 10,188.48 × 1,862.88
  4. Step 4: Simplify right side
    6,792.80x = 18,979,915.62
  5. Step 5: Solve for x
    x = 18,979,915.62/6,792.80
  6. Step 6: Final answer
    x = 2,794.12

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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.