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Finding the Fourth Proportional to 27,572.80, 41,358.56 and 8,852.80

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Solution

The fourth proportional to 27,572.80, 41,358.56 and 8,852.80 is: 13,278.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,572.80 : 41,358.56 = 8,852.80 : x
  2. Step 2: Convert to fraction form
    27,572.80/41,358.56 = 8,852.80/x
  3. Step 3: Cross multiply
    27,572.80x = 41,358.56 × 8,852.80
  4. Step 4: Simplify right side
    27,572.80x = 366,139,059.97
  5. Step 5: Solve for x
    x = 366,139,059.97/27,572.80
  6. Step 6: Final answer
    x = 13,278.99

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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.