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Finding the Fourth Proportional to 52,890.78, 79,338.84 and 17,348.97

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Solution

The fourth proportional to 52,890.78, 79,338.84 and 17,348.97 is: 26,024.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,890.78 : 79,338.84 = 17,348.97 : x
  2. Step 2: Convert to fraction form
    52,890.78/79,338.84 = 17,348.97/x
  3. Step 3: Cross multiply
    52,890.78x = 79,338.84 × 17,348.97
  4. Step 4: Simplify right side
    52,890.78x = 1,376,447,154.99
  5. Step 5: Solve for x
    x = 1,376,447,154.99/52,890.78
  6. Step 6: Final answer
    x = 26,024.33

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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.