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Finding the Fourth Proportional to 10,170, 15,253.20 and 4,622.04

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Solution

The fourth proportional to 10,170, 15,253.20 and 4,622.04 is: 6,932.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,170 : 15,253.20 = 4,622.04 : x
  2. Step 2: Convert to fraction form
    10,170/15,253.20 = 4,622.04/x
  3. Step 3: Cross multiply
    10,170x = 15,253.20 × 4,622.04
  4. Step 4: Simplify right side
    10,170x = 70,500,900.53
  5. Step 5: Solve for x
    x = 70,500,900.53/10,170
  6. Step 6: Final answer
    x = 6,932.24

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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.