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Finding the Fourth Proportional to 17,134.40, 25,717.80 and 10,573.40

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Solution

The fourth proportional to 17,134.40, 25,717.80 and 10,573.40 is: 15,870.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,134.40 : 25,717.80 = 10,573.40 : x
  2. Step 2: Convert to fraction form
    17,134.40/25,717.80 = 10,573.40/x
  3. Step 3: Cross multiply
    17,134.40x = 25,717.80 × 10,573.40
  4. Step 4: Simplify right side
    17,134.40x = 271,924,586.52
  5. Step 5: Solve for x
    x = 271,924,586.52/17,134.40
  6. Step 6: Final answer
    x = 15,870.10

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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.