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Finding the Fourth Proportional to 18,552.75, 27,830.75 and 4,701.75

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Solution

The fourth proportional to 18,552.75, 27,830.75 and 4,701.75 is: 7,053.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,552.75 : 27,830.75 = 4,701.75 : x
  2. Step 2: Convert to fraction form
    18,552.75/27,830.75 = 4,701.75/x
  3. Step 3: Cross multiply
    18,552.75x = 27,830.75 × 4,701.75
  4. Step 4: Simplify right side
    18,552.75x = 130,853,205.30
  5. Step 5: Solve for x
    x = 130,853,205.30/18,552.75
  6. Step 6: Final answer
    x = 7,053.04

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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.