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Finding the Fourth Proportional to 27,573.74, 41,356.71 and 8,855.40

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Solution

The fourth proportional to 27,573.74, 41,356.71 and 8,855.40 is: 13,281.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,573.74 : 41,356.71 = 8,855.40 : x
  2. Step 2: Convert to fraction form
    27,573.74/41,356.71 = 8,855.40/x
  3. Step 3: Cross multiply
    27,573.74x = 41,356.71 × 8,855.40
  4. Step 4: Simplify right side
    27,573.74x = 366,230,209.73
  5. Step 5: Solve for x
    x = 366,230,209.73/27,573.74
  6. Step 6: Final answer
    x = 13,281.85

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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.