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Finding the Fourth Proportional to 3,738.81, 5,600.75 and 3,432.63

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Solution

The fourth proportional to 3,738.81, 5,600.75 and 3,432.63 is: 5,142.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,738.81 : 5,600.75 = 3,432.63 : x
  2. Step 2: Convert to fraction form
    3,738.81/5,600.75 = 3,432.63/x
  3. Step 3: Cross multiply
    3,738.81x = 5,600.75 × 3,432.63
  4. Step 4: Simplify right side
    3,738.81x = 19,225,285.31
  5. Step 5: Solve for x
    x = 19,225,285.31/3,738.81
  6. Step 6: Final answer
    x = 5,142.09

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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.