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Finding the Fourth Proportional to 38,595.65, 57,921.12 and 16,424.60

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Solution

The fourth proportional to 38,595.65, 57,921.12 and 16,424.60 is: 24,648.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,595.65 : 57,921.12 = 16,424.60 : x
  2. Step 2: Convert to fraction form
    38,595.65/57,921.12 = 16,424.60/x
  3. Step 3: Cross multiply
    38,595.65x = 57,921.12 × 16,424.60
  4. Step 4: Simplify right side
    38,595.65x = 951,330,937.95
  5. Step 5: Solve for x
    x = 951,330,937.95/38,595.65
  6. Step 6: Final answer
    x = 24,648.66

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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.