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Finding the Fourth Proportional to 27,020.25, 40,530.56 and 8,552.25

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Solution

The fourth proportional to 27,020.25, 40,530.56 and 8,552.25 is: 12,828.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,020.25 : 40,530.56 = 8,552.25 : x
  2. Step 2: Convert to fraction form
    27,020.25/40,530.56 = 8,552.25/x
  3. Step 3: Cross multiply
    27,020.25x = 40,530.56 × 8,552.25
  4. Step 4: Simplify right side
    27,020.25x = 346,627,439.00
  5. Step 5: Solve for x
    x = 346,627,439.00/27,020.25
  6. Step 6: Final answer
    x = 12,828.43

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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.