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Finding the Fourth Proportional to 15,955.59, 22,019.48 and 8,882.02

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Solution

The fourth proportional to 15,955.59, 22,019.48 and 8,882.02 is: 12,257.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,955.59 : 22,019.48 = 8,882.02 : x
  2. Step 2: Convert to fraction form
    15,955.59/22,019.48 = 8,882.02/x
  3. Step 3: Cross multiply
    15,955.59x = 22,019.48 × 8,882.02
  4. Step 4: Simplify right side
    15,955.59x = 195,577,478.17
  5. Step 5: Solve for x
    x = 195,577,478.17/15,955.59
  6. Step 6: Final answer
    x = 12,257.61

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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.