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Finding the Fourth Proportional to 38,494.80, 57,763.80 and 16,304.40

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Solution

The fourth proportional to 38,494.80, 57,763.80 and 16,304.40 is: 24,465.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,494.80 : 57,763.80 = 16,304.40 : x
  2. Step 2: Convert to fraction form
    38,494.80/57,763.80 = 16,304.40/x
  3. Step 3: Cross multiply
    38,494.80x = 57,763.80 × 16,304.40
  4. Step 4: Simplify right side
    38,494.80x = 941,804,100.72
  5. Step 5: Solve for x
    x = 941,804,100.72/38,494.80
  6. Step 6: Final answer
    x = 24,465.75

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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.