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Finding the Fourth Proportional to 59,898.78, 82,692.69 and 36,030.78

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Solution

The fourth proportional to 59,898.78, 82,692.69 and 36,030.78 is: 49,741.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,898.78 : 82,692.69 = 36,030.78 : x
  2. Step 2: Convert to fraction form
    59,898.78/82,692.69 = 36,030.78/x
  3. Step 3: Cross multiply
    59,898.78x = 82,692.69 × 36,030.78
  4. Step 4: Simplify right side
    59,898.78x = 2,979,482,121.00
  5. Step 5: Solve for x
    x = 2,979,482,121.00/59,898.78
  6. Step 6: Final answer
    x = 49,741.95

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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.