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Finding the Fourth Proportional to 38,804.43, 57,867.03 and 38,449.71

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Solution

The fourth proportional to 38,804.43, 57,867.03 and 38,449.71 is: 57,338.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,804.43 : 57,867.03 = 38,449.71 : x
  2. Step 2: Convert to fraction form
    38,804.43/57,867.03 = 38,449.71/x
  3. Step 3: Cross multiply
    38,804.43x = 57,867.03 × 38,449.71
  4. Step 4: Simplify right side
    38,804.43x = 2,224,970,522.06
  5. Step 5: Solve for x
    x = 2,224,970,522.06/38,804.43
  6. Step 6: Final answer
    x = 57,338.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.