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Finding the Fourth Proportional to 27,275.91, 40,914.36 and 8,555.55

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Solution

The fourth proportional to 27,275.91, 40,914.36 and 8,555.55 is: 12,833.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,275.91 : 40,914.36 = 8,555.55 : x
  2. Step 2: Convert to fraction form
    27,275.91/40,914.36 = 8,555.55/x
  3. Step 3: Cross multiply
    27,275.91x = 40,914.36 × 8,555.55
  4. Step 4: Simplify right side
    27,275.91x = 350,044,852.70
  5. Step 5: Solve for x
    x = 350,044,852.70/27,275.91
  6. Step 6: Final answer
    x = 12,833.48

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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.