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Finding the Fourth Proportional to 38,599.20, 57,904.20 and 16,412.40

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Solution

The fourth proportional to 38,599.20, 57,904.20 and 16,412.40 is: 24,620.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,599.20 : 57,904.20 = 16,412.40 : x
  2. Step 2: Convert to fraction form
    38,599.20/57,904.20 = 16,412.40/x
  3. Step 3: Cross multiply
    38,599.20x = 57,904.20 × 16,412.40
  4. Step 4: Simplify right side
    38,599.20x = 950,346,892.08
  5. Step 5: Solve for x
    x = 950,346,892.08/38,599.20
  6. Step 6: Final answer
    x = 24,620.90

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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.