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Finding the Fourth Proportional to 17,827.70, 26,741.55 and 9,079.70

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Solution

The fourth proportional to 17,827.70, 26,741.55 and 9,079.70 is: 13,619.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,827.70 : 26,741.55 = 9,079.70 : x
  2. Step 2: Convert to fraction form
    17,827.70/26,741.55 = 9,079.70/x
  3. Step 3: Cross multiply
    17,827.70x = 26,741.55 × 9,079.70
  4. Step 4: Simplify right side
    17,827.70x = 242,805,251.54
  5. Step 5: Solve for x
    x = 242,805,251.54/17,827.70
  6. Step 6: Final answer
    x = 13,619.55

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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.