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Finding the Fourth Proportional to 15,156.53, 22,734.74 and 6,826.79

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Solution

The fourth proportional to 15,156.53, 22,734.74 and 6,826.79 is: 10,240.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,156.53 : 22,734.74 = 6,826.79 : x
  2. Step 2: Convert to fraction form
    15,156.53/22,734.74 = 6,826.79/x
  3. Step 3: Cross multiply
    15,156.53x = 22,734.74 × 6,826.79
  4. Step 4: Simplify right side
    15,156.53x = 155,205,295.68
  5. Step 5: Solve for x
    x = 155,205,295.68/15,156.53
  6. Step 6: Final answer
    x = 10,240.16

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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.