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Finding the Fourth Proportional to 4,989.44, 6,892.80 and 4,375.04

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Solution

The fourth proportional to 4,989.44, 6,892.80 and 4,375.04 is: 6,044.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,989.44 : 6,892.80 = 4,375.04 : x
  2. Step 2: Convert to fraction form
    4,989.44/6,892.80 = 4,375.04/x
  3. Step 3: Cross multiply
    4,989.44x = 6,892.80 × 4,375.04
  4. Step 4: Simplify right side
    4,989.44x = 30,156,275.71
  5. Step 5: Solve for x
    x = 30,156,275.71/4,989.44
  6. Step 6: Final answer
    x = 6,044.02

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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.