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Finding the Fourth Proportional to 17,751.28, 26,601.55 and 13,034.28

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Solution

The fourth proportional to 17,751.28, 26,601.55 and 13,034.28 is: 19,532.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,751.28 : 26,601.55 = 13,034.28 : x
  2. Step 2: Convert to fraction form
    17,751.28/26,601.55 = 13,034.28/x
  3. Step 3: Cross multiply
    17,751.28x = 26,601.55 × 13,034.28
  4. Step 4: Simplify right side
    17,751.28x = 346,731,985.96
  5. Step 5: Solve for x
    x = 346,731,985.96/17,751.28
  6. Step 6: Final answer
    x = 19,532.79

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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.