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Finding the Fourth Proportional to 15,065.44, 22,618.86 and 7,674.88

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Solution

The fourth proportional to 15,065.44, 22,618.86 and 7,674.88 is: 11,522.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,065.44 : 22,618.86 = 7,674.88 : x
  2. Step 2: Convert to fraction form
    15,065.44/22,618.86 = 7,674.88/x
  3. Step 3: Cross multiply
    15,065.44x = 22,618.86 × 7,674.88
  4. Step 4: Simplify right side
    15,065.44x = 173,597,036.24
  5. Step 5: Solve for x
    x = 173,597,036.24/15,065.44
  6. Step 6: Final answer
    x = 11,522.87

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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.