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Finding the Fourth Proportional to 72,277.66, 108,389.58 and 24,879.52

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Solution

The fourth proportional to 72,277.66, 108,389.58 and 24,879.52 is: 37,310.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,277.66 : 108,389.58 = 24,879.52 : x
  2. Step 2: Convert to fraction form
    72,277.66/108,389.58 = 24,879.52/x
  3. Step 3: Cross multiply
    72,277.66x = 108,389.58 × 24,879.52
  4. Step 4: Simplify right side
    72,277.66x = 2,696,680,723.40
  5. Step 5: Solve for x
    x = 2,696,680,723.40/72,277.66
  6. Step 6: Final answer
    x = 37,310.02

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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.