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Finding the Fourth Proportional to 15,156.46, 22,734.73 and 5,295.74

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Solution

The fourth proportional to 15,156.46, 22,734.73 and 5,295.74 is: 7,943.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,156.46 : 22,734.73 = 5,295.74 : x
  2. Step 2: Convert to fraction form
    15,156.46/22,734.73 = 5,295.74/x
  3. Step 3: Cross multiply
    15,156.46x = 22,734.73 × 5,295.74
  4. Step 4: Simplify right side
    15,156.46x = 120,397,219.05
  5. Step 5: Solve for x
    x = 120,397,219.05/15,156.46
  6. Step 6: Final answer
    x = 7,943.62

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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.