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Finding the Fourth Proportional to 18,310.52, 25,260.02 and 10,754.40

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Solution

The fourth proportional to 18,310.52, 25,260.02 and 10,754.40 is: 14,836.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,310.52 : 25,260.02 = 10,754.40 : x
  2. Step 2: Convert to fraction form
    18,310.52/25,260.02 = 10,754.40/x
  3. Step 3: Cross multiply
    18,310.52x = 25,260.02 × 10,754.40
  4. Step 4: Simplify right side
    18,310.52x = 271,656,359.09
  5. Step 5: Solve for x
    x = 271,656,359.09/18,310.52
  6. Step 6: Final answer
    x = 14,836.08

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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.