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Finding the Fourth Proportional to 52,710.88, 72,616.08 and 36,767.20

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Solution

The fourth proportional to 52,710.88, 72,616.08 and 36,767.20 is: 50,651.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,710.88 : 72,616.08 = 36,767.20 : x
  2. Step 2: Convert to fraction form
    52,710.88/72,616.08 = 36,767.20/x
  3. Step 3: Cross multiply
    52,710.88x = 72,616.08 × 36,767.20
  4. Step 4: Simplify right side
    52,710.88x = 2,669,889,936.58
  5. Step 5: Solve for x
    x = 2,669,889,936.58/52,710.88
  6. Step 6: Final answer
    x = 50,651.59

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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.