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Finding the Fourth Proportional to 52,165.66, 71,977.53 and 30,951.82

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Solution

The fourth proportional to 52,165.66, 71,977.53 and 30,951.82 is: 42,706.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,165.66 : 71,977.53 = 30,951.82 : x
  2. Step 2: Convert to fraction form
    52,165.66/71,977.53 = 30,951.82/x
  3. Step 3: Cross multiply
    52,165.66x = 71,977.53 × 30,951.82
  4. Step 4: Simplify right side
    52,165.66x = 2,227,835,552.60
  5. Step 5: Solve for x
    x = 2,227,835,552.60/52,165.66
  6. Step 6: Final answer
    x = 42,706.94

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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.