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Finding the Fourth Proportional to 73,964.92, 110,953.04 and 21,374.86

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Solution

The fourth proportional to 73,964.92, 110,953.04 and 21,374.86 is: 32,063.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,964.92 : 110,953.04 = 21,374.86 : x
  2. Step 2: Convert to fraction form
    73,964.92/110,953.04 = 21,374.86/x
  3. Step 3: Cross multiply
    73,964.92x = 110,953.04 × 21,374.86
  4. Step 4: Simplify right side
    73,964.92x = 2,371,605,696.57
  5. Step 5: Solve for x
    x = 2,371,605,696.57/73,964.92
  6. Step 6: Final answer
    x = 32,063.93

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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.