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Finding the Fourth Proportional to 66,964.92, 92,411.76 and 36,750.48

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Solution

The fourth proportional to 66,964.92, 92,411.76 and 36,750.48 is: 50,715.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,964.92 : 92,411.76 = 36,750.48 : x
  2. Step 2: Convert to fraction form
    66,964.92/92,411.76 = 36,750.48/x
  3. Step 3: Cross multiply
    66,964.92x = 92,411.76 × 36,750.48
  4. Step 4: Simplify right side
    66,964.92x = 3,396,176,537.64
  5. Step 5: Solve for x
    x = 3,396,176,537.64/66,964.92
  6. Step 6: Final answer
    x = 50,715.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.