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Finding the Fourth Proportional to 15,156.82, 22,737.78 and 6,836.64

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Solution

The fourth proportional to 15,156.82, 22,737.78 and 6,836.64 is: 10,256.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,156.82 : 22,737.78 = 6,836.64 : x
  2. Step 2: Convert to fraction form
    15,156.82/22,737.78 = 6,836.64/x
  3. Step 3: Cross multiply
    15,156.82x = 22,737.78 × 6,836.64
  4. Step 4: Simplify right side
    15,156.82x = 155,449,930.99
  5. Step 5: Solve for x
    x = 155,449,930.99/15,156.82
  6. Step 6: Final answer
    x = 10,256.10

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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.