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Finding the Fourth Proportional to 27,479.22, 41,222.07 and 8,752.74

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Solution

The fourth proportional to 27,479.22, 41,222.07 and 8,752.74 is: 13,130.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,479.22 : 41,222.07 = 8,752.74 : x
  2. Step 2: Convert to fraction form
    27,479.22/41,222.07 = 8,752.74/x
  3. Step 3: Cross multiply
    27,479.22x = 41,222.07 × 8,752.74
  4. Step 4: Simplify right side
    27,479.22x = 360,806,060.97
  5. Step 5: Solve for x
    x = 360,806,060.97/27,479.22
  6. Step 6: Final answer
    x = 13,130.14

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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.