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Finding the Fourth Proportional to 27,066.71, 40,606.20 and 8,348.42

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Solution

The fourth proportional to 27,066.71, 40,606.20 and 8,348.42 is: 12,524.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,066.71 : 40,606.20 = 8,348.42 : x
  2. Step 2: Convert to fraction form
    27,066.71/40,606.20 = 8,348.42/x
  3. Step 3: Cross multiply
    27,066.71x = 40,606.20 × 8,348.42
  4. Step 4: Simplify right side
    27,066.71x = 338,997,409.17
  5. Step 5: Solve for x
    x = 338,997,409.17/27,066.71
  6. Step 6: Final answer
    x = 12,524.52

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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.