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Finding the Fourth Proportional to 10,180.20, 15,266.20 and 4,253.20

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Solution

The fourth proportional to 10,180.20, 15,266.20 and 4,253.20 is: 6,378.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,180.20 : 15,266.20 = 4,253.20 : x
  2. Step 2: Convert to fraction form
    10,180.20/15,266.20 = 4,253.20/x
  3. Step 3: Cross multiply
    10,180.20x = 15,266.20 × 4,253.20
  4. Step 4: Simplify right side
    10,180.20x = 64,930,246.89
  5. Step 5: Solve for x
    x = 64,930,246.89/10,180.20
  6. Step 6: Final answer
    x = 6,378.09

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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.