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Finding the Fourth Proportional to 27,088.71, 40,634.18 and 8,367.09

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Solution

The fourth proportional to 27,088.71, 40,634.18 and 8,367.09 is: 12,550.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,088.71 : 40,634.18 = 8,367.09 : x
  2. Step 2: Convert to fraction form
    27,088.71/40,634.18 = 8,367.09/x
  3. Step 3: Cross multiply
    27,088.71x = 40,634.18 × 8,367.09
  4. Step 4: Simplify right side
    27,088.71x = 339,989,799.30
  5. Step 5: Solve for x
    x = 339,989,799.30/27,088.71
  6. Step 6: Final answer
    x = 12,550.98

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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.