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Finding the Fourth Proportional to 15,252.90, 22,834.80 and 10,878.90

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Solution

The fourth proportional to 15,252.90, 22,834.80 and 10,878.90 is: 16,286.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,252.90 : 22,834.80 = 10,878.90 : x
  2. Step 2: Convert to fraction form
    15,252.90/22,834.80 = 10,878.90/x
  3. Step 3: Cross multiply
    15,252.90x = 22,834.80 × 10,878.90
  4. Step 4: Simplify right side
    15,252.90x = 248,417,505.72
  5. Step 5: Solve for x
    x = 248,417,505.72/15,252.90
  6. Step 6: Final answer
    x = 16,286.58

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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.