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Finding the Fourth Proportional to 17,919.84, 26,859.84 and 13,523.04

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Solution

The fourth proportional to 17,919.84, 26,859.84 and 13,523.04 is: 20,269.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,919.84 : 26,859.84 = 13,523.04 : x
  2. Step 2: Convert to fraction form
    17,919.84/26,859.84 = 13,523.04/x
  3. Step 3: Cross multiply
    17,919.84x = 26,859.84 × 13,523.04
  4. Step 4: Simplify right side
    17,919.84x = 363,226,690.71
  5. Step 5: Solve for x
    x = 363,226,690.71/17,919.84
  6. Step 6: Final answer
    x = 20,269.53

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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.