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Finding the Fourth Proportional to 15,308.92, 22,960.12 and 5,448.76

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Solution

The fourth proportional to 15,308.92, 22,960.12 and 5,448.76 is: 8,171.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,308.92 : 22,960.12 = 5,448.76 : x
  2. Step 2: Convert to fraction form
    15,308.92/22,960.12 = 5,448.76/x
  3. Step 3: Cross multiply
    15,308.92x = 22,960.12 × 5,448.76
  4. Step 4: Simplify right side
    15,308.92x = 125,104,183.45
  5. Step 5: Solve for x
    x = 125,104,183.45/15,308.92
  6. Step 6: Final answer
    x = 8,171.98

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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.