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Finding the Fourth Proportional to 17,445.68, 26,167.92 and 4,965.78

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Solution

The fourth proportional to 17,445.68, 26,167.92 and 4,965.78 is: 7,448.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,445.68 : 26,167.92 = 4,965.78 : x
  2. Step 2: Convert to fraction form
    17,445.68/26,167.92 = 4,965.78/x
  3. Step 3: Cross multiply
    17,445.68x = 26,167.92 × 4,965.78
  4. Step 4: Simplify right side
    17,445.68x = 129,944,133.78
  5. Step 5: Solve for x
    x = 129,944,133.78/17,445.68
  6. Step 6: Final answer
    x = 7,448.50

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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.