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Finding the Fourth Proportional to 15,959.62, 22,023.88 and 8,885.89

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Solution

The fourth proportional to 15,959.62, 22,023.88 and 8,885.89 is: 12,262.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,959.62 : 22,023.88 = 8,885.89 : x
  2. Step 2: Convert to fraction form
    15,959.62/22,023.88 = 8,885.89/x
  3. Step 3: Cross multiply
    15,959.62x = 22,023.88 × 8,885.89
  4. Step 4: Simplify right side
    15,959.62x = 195,701,775.05
  5. Step 5: Solve for x
    x = 195,701,775.05/15,959.62
  6. Step 6: Final answer
    x = 12,262.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.