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Finding the Fourth Proportional to 38,982.39, 58,473.08 and 9,400.01

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Solution

The fourth proportional to 38,982.39, 58,473.08 and 9,400.01 is: 14,099.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,982.39 : 58,473.08 = 9,400.01 : x
  2. Step 2: Convert to fraction form
    38,982.39/58,473.08 = 9,400.01/x
  3. Step 3: Cross multiply
    38,982.39x = 58,473.08 × 9,400.01
  4. Step 4: Simplify right side
    38,982.39x = 549,647,197.37
  5. Step 5: Solve for x
    x = 549,647,197.37/38,982.39
  6. Step 6: Final answer
    x = 14,099.88

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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.