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Finding the Fourth Proportional to 15,216.72, 22,825.08 and 8,553.66

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Solution

The fourth proportional to 15,216.72, 22,825.08 and 8,553.66 is: 12,830.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,216.72 : 22,825.08 = 8,553.66 : x
  2. Step 2: Convert to fraction form
    15,216.72/22,825.08 = 8,553.66/x
  3. Step 3: Cross multiply
    15,216.72x = 22,825.08 × 8,553.66
  4. Step 4: Simplify right side
    15,216.72x = 195,237,973.79
  5. Step 5: Solve for x
    x = 195,237,973.79/15,216.72
  6. Step 6: Final answer
    x = 12,830.49

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Similar ratio
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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.