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Finding the Fourth Proportional to 15,959.56, 22,023.72 and 8,885.82

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Solution

The fourth proportional to 15,959.56, 22,023.72 and 8,885.82 is: 12,262.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,959.56 : 22,023.72 = 8,885.82 : x
  2. Step 2: Convert to fraction form
    15,959.56/22,023.72 = 8,885.82/x
  3. Step 3: Cross multiply
    15,959.56x = 22,023.72 × 8,885.82
  4. Step 4: Simplify right side
    15,959.56x = 195,698,811.65
  5. Step 5: Solve for x
    x = 195,698,811.65/15,959.56
  6. Step 6: Final answer
    x = 12,262.17

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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.