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Finding the Fourth Proportional to 27,375.69, 37,778.54 and 14,800.53

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Solution

The fourth proportional to 27,375.69, 37,778.54 and 14,800.53 is: 20,424.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,375.69 : 37,778.54 = 14,800.53 : x
  2. Step 2: Convert to fraction form
    27,375.69/37,778.54 = 14,800.53/x
  3. Step 3: Cross multiply
    27,375.69x = 37,778.54 × 14,800.53
  4. Step 4: Simplify right side
    27,375.69x = 559,142,414.63
  5. Step 5: Solve for x
    x = 559,142,414.63/27,375.69
  6. Step 6: Final answer
    x = 20,424.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.