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Finding the Fourth Proportional to 15,091.87, 22,660.02 and 8,441.40

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Solution

The fourth proportional to 15,091.87, 22,660.02 and 8,441.40 is: 12,674.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,091.87 : 22,660.02 = 8,441.40 : x
  2. Step 2: Convert to fraction form
    15,091.87/22,660.02 = 8,441.40/x
  3. Step 3: Cross multiply
    15,091.87x = 22,660.02 × 8,441.40
  4. Step 4: Simplify right side
    15,091.87x = 191,282,179.53
  5. Step 5: Solve for x
    x = 191,282,179.53/15,091.87
  6. Step 6: Final answer
    x = 12,674.52

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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.