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Finding the Fourth Proportional to 15,228.18, 22,824.03 and 8,658.66

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Solution

The fourth proportional to 15,228.18, 22,824.03 and 8,658.66 is: 12,977.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,228.18 : 22,824.03 = 8,658.66 : x
  2. Step 2: Convert to fraction form
    15,228.18/22,824.03 = 8,658.66/x
  3. Step 3: Cross multiply
    15,228.18x = 22,824.03 × 8,658.66
  4. Step 4: Simplify right side
    15,228.18x = 197,625,515.60
  5. Step 5: Solve for x
    x = 197,625,515.60/15,228.18
  6. Step 6: Final answer
    x = 12,977.62

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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.