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Finding the Fourth Proportional to 52,505.98, 78,671.30 and 36,895.66

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Solution

The fourth proportional to 52,505.98, 78,671.30 and 36,895.66 is: 55,281.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,505.98 : 78,671.30 = 36,895.66 : x
  2. Step 2: Convert to fraction form
    52,505.98/78,671.30 = 36,895.66/x
  3. Step 3: Cross multiply
    52,505.98x = 78,671.30 × 36,895.66
  4. Step 4: Simplify right side
    52,505.98x = 2,902,629,536.56
  5. Step 5: Solve for x
    x = 2,902,629,536.56/52,505.98
  6. Step 6: Final answer
    x = 55,281.88

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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.