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Finding the Fourth Proportional to 58,494.60, 87,741.12 and 14,121.11

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Solution

The fourth proportional to 58,494.60, 87,741.12 and 14,121.11 is: 21,181.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,494.60 : 87,741.12 = 14,121.11 : x
  2. Step 2: Convert to fraction form
    58,494.60/87,741.12 = 14,121.11/x
  3. Step 3: Cross multiply
    58,494.60x = 87,741.12 × 14,121.11
  4. Step 4: Simplify right side
    58,494.60x = 1,239,002,007.04
  5. Step 5: Solve for x
    x = 1,239,002,007.04/58,494.60
  6. Step 6: Final answer
    x = 21,181.48

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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.