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Finding the Fourth Proportional to 69,086.58, 103,583.88 and 26,970.54

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Solution

The fourth proportional to 69,086.58, 103,583.88 and 26,970.54 is: 40,437.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,086.58 : 103,583.88 = 26,970.54 : x
  2. Step 2: Convert to fraction form
    69,086.58/103,583.88 = 26,970.54/x
  3. Step 3: Cross multiply
    69,086.58x = 103,583.88 × 26,970.54
  4. Step 4: Simplify right side
    69,086.58x = 2,793,713,178.90
  5. Step 5: Solve for x
    x = 2,793,713,178.90/69,086.58
  6. Step 6: Final answer
    x = 40,437.86

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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.