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Finding the Fourth Proportional to 17,357.92, 26,043.12 and 5,671.20

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Solution

The fourth proportional to 17,357.92, 26,043.12 and 5,671.20 is: 8,508.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,357.92 : 26,043.12 = 5,671.20 : x
  2. Step 2: Convert to fraction form
    17,357.92/26,043.12 = 5,671.20/x
  3. Step 3: Cross multiply
    17,357.92x = 26,043.12 × 5,671.20
  4. Step 4: Simplify right side
    17,357.92x = 147,695,742.14
  5. Step 5: Solve for x
    x = 147,695,742.14/17,357.92
  6. Step 6: Final answer
    x = 8,508.84

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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.