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Finding the Fourth Proportional to 15,153.92, 22,730.76 and 5,919.92

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Solution

The fourth proportional to 15,153.92, 22,730.76 and 5,919.92 is: 8,879.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,153.92 : 22,730.76 = 5,919.92 : x
  2. Step 2: Convert to fraction form
    15,153.92/22,730.76 = 5,919.92/x
  3. Step 3: Cross multiply
    15,153.92x = 22,730.76 × 5,919.92
  4. Step 4: Simplify right side
    15,153.92x = 134,564,280.74
  5. Step 5: Solve for x
    x = 134,564,280.74/15,153.92
  6. Step 6: Final answer
    x = 8,879.83

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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.