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Finding the Fourth Proportional to 38,479.80, 57,638.88 and 24,432.63

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Solution

The fourth proportional to 38,479.80, 57,638.88 and 24,432.63 is: 36,597.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,479.80 : 57,638.88 = 24,432.63 : x
  2. Step 2: Convert to fraction form
    38,479.80/57,638.88 = 24,432.63/x
  3. Step 3: Cross multiply
    38,479.80x = 57,638.88 × 24,432.63
  4. Step 4: Simplify right side
    38,479.80x = 1,408,269,428.65
  5. Step 5: Solve for x
    x = 1,408,269,428.65/38,479.80
  6. Step 6: Final answer
    x = 36,597.63

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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.