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Finding the Fourth Proportional to 52,237, 72,087.06 and 29,881

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Solution

The fourth proportional to 52,237, 72,087.06 and 29,881 is: 41,235.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,237 : 72,087.06 = 29,881 : x
  2. Step 2: Convert to fraction form
    52,237/72,087.06 = 29,881/x
  3. Step 3: Cross multiply
    52,237x = 72,087.06 × 29,881
  4. Step 4: Simplify right side
    52,237x = 2,154,033,439.86
  5. Step 5: Solve for x
    x = 2,154,033,439.86/52,237
  6. Step 6: Final answer
    x = 41,235.78

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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.