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Finding the Fourth Proportional to 18,552.28, 27,829.71 and 7,458.97

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Solution

The fourth proportional to 18,552.28, 27,829.71 and 7,458.97 is: 11,188.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,552.28 : 27,829.71 = 7,458.97 : x
  2. Step 2: Convert to fraction form
    18,552.28/27,829.71 = 7,458.97/x
  3. Step 3: Cross multiply
    18,552.28x = 27,829.71 × 7,458.97
  4. Step 4: Simplify right side
    18,552.28x = 207,580,972.00
  5. Step 5: Solve for x
    x = 207,580,972.00/18,552.28
  6. Step 6: Final answer
    x = 11,188.97

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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.