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Finding the Fourth Proportional to 17,781.76, 26,677.02 and 5,301.73

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Solution

The fourth proportional to 17,781.76, 26,677.02 and 5,301.73 is: 7,953.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,781.76 : 26,677.02 = 5,301.73 : x
  2. Step 2: Convert to fraction form
    17,781.76/26,677.02 = 5,301.73/x
  3. Step 3: Cross multiply
    17,781.76x = 26,677.02 × 5,301.73
  4. Step 4: Simplify right side
    17,781.76x = 141,434,357.24
  5. Step 5: Solve for x
    x = 141,434,357.24/17,781.76
  6. Step 6: Final answer
    x = 7,953.90

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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.