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Finding the Fourth Proportional to 25,691.58, 38,544.09 and 10,901.10

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Solution

The fourth proportional to 25,691.58, 38,544.09 and 10,901.10 is: 16,354.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,691.58 : 38,544.09 = 10,901.10 : x
  2. Step 2: Convert to fraction form
    25,691.58/38,544.09 = 10,901.10/x
  3. Step 3: Cross multiply
    25,691.58x = 38,544.09 × 10,901.10
  4. Step 4: Simplify right side
    25,691.58x = 420,172,979.50
  5. Step 5: Solve for x
    x = 420,172,979.50/25,691.58
  6. Step 6: Final answer
    x = 16,354.50

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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.