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Finding the Fourth Proportional to 17,754.80, 24,513.12 and 11,047.76

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Solution

The fourth proportional to 17,754.80, 24,513.12 and 11,047.76 is: 15,253.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,754.80 : 24,513.12 = 11,047.76 : x
  2. Step 2: Convert to fraction form
    17,754.80/24,513.12 = 11,047.76/x
  3. Step 3: Cross multiply
    17,754.80x = 24,513.12 × 11,047.76
  4. Step 4: Simplify right side
    17,754.80x = 270,815,066.61
  5. Step 5: Solve for x
    x = 270,815,066.61/17,754.80
  6. Step 6: Final answer
    x = 15,253.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.