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Finding the Fourth Proportional to 18,253.68, 27,250.86 and 17,605.68

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Solution

The fourth proportional to 18,253.68, 27,250.86 and 17,605.68 is: 26,283.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,253.68 : 27,250.86 = 17,605.68 : x
  2. Step 2: Convert to fraction form
    18,253.68/27,250.86 = 17,605.68/x
  3. Step 3: Cross multiply
    18,253.68x = 27,250.86 × 17,605.68
  4. Step 4: Simplify right side
    18,253.68x = 479,769,920.88
  5. Step 5: Solve for x
    x = 479,769,920.88/18,253.68
  6. Step 6: Final answer
    x = 26,283.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.