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Finding the Fourth Proportional to 55,251.40, 82,865.46 and 17,814.76

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Solution

The fourth proportional to 55,251.40, 82,865.46 and 17,814.76 is: 26,718.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,251.40 : 82,865.46 = 17,814.76 : x
  2. Step 2: Convert to fraction form
    55,251.40/82,865.46 = 17,814.76/x
  3. Step 3: Cross multiply
    55,251.40x = 82,865.46 × 17,814.76
  4. Step 4: Simplify right side
    55,251.40x = 1,476,228,282.19
  5. Step 5: Solve for x
    x = 1,476,228,282.19/55,251.40
  6. Step 6: Final answer
    x = 26,718.39

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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.