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Finding the Fourth Proportional to 16,458.86, 24,691.08 and 5,362.40

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Solution

The fourth proportional to 16,458.86, 24,691.08 and 5,362.40 is: 8,044.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,458.86 : 24,691.08 = 5,362.40 : x
  2. Step 2: Convert to fraction form
    16,458.86/24,691.08 = 5,362.40/x
  3. Step 3: Cross multiply
    16,458.86x = 24,691.08 × 5,362.40
  4. Step 4: Simplify right side
    16,458.86x = 132,403,447.39
  5. Step 5: Solve for x
    x = 132,403,447.39/16,458.86
  6. Step 6: Final answer
    x = 8,044.51

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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.