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Finding the Fourth Proportional to 16,955.25, 25,432.88 and 5,268.47

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Solution

The fourth proportional to 16,955.25, 25,432.88 and 5,268.47 is: 7,902.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,955.25 : 25,432.88 = 5,268.47 : x
  2. Step 2: Convert to fraction form
    16,955.25/25,432.88 = 5,268.47/x
  3. Step 3: Cross multiply
    16,955.25x = 25,432.88 × 5,268.47
  4. Step 4: Simplify right side
    16,955.25x = 133,992,365.29
  5. Step 5: Solve for x
    x = 133,992,365.29/16,955.25
  6. Step 6: Final answer
    x = 7,902.71

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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.