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Finding the Fourth Proportional to 17,800.71, 26,744.85 and 13,404.84

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Solution

The fourth proportional to 17,800.71, 26,744.85 and 13,404.84 is: 20,140.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,800.71 : 26,744.85 = 13,404.84 : x
  2. Step 2: Convert to fraction form
    17,800.71/26,744.85 = 13,404.84/x
  3. Step 3: Cross multiply
    17,800.71x = 26,744.85 × 13,404.84
  4. Step 4: Simplify right side
    17,800.71x = 358,510,435.07
  5. Step 5: Solve for x
    x = 358,510,435.07/17,800.71
  6. Step 6: Final answer
    x = 20,140.23

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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.