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Finding the Fourth Proportional to 17,951.68, 26,921.04 and 7,564.24

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Solution

The fourth proportional to 17,951.68, 26,921.04 and 7,564.24 is: 11,343.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,951.68 : 26,921.04 = 7,564.24 : x
  2. Step 2: Convert to fraction form
    17,951.68/26,921.04 = 7,564.24/x
  3. Step 3: Cross multiply
    17,951.68x = 26,921.04 × 7,564.24
  4. Step 4: Simplify right side
    17,951.68x = 203,637,207.61
  5. Step 5: Solve for x
    x = 203,637,207.61/17,951.68
  6. Step 6: Final answer
    x = 11,343.63

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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.