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Finding the Fourth Proportional to 69,663.80, 104,424.21 and 27,526.82

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Solution

The fourth proportional to 69,663.80, 104,424.21 and 27,526.82 is: 41,261.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,663.80 : 104,424.21 = 27,526.82 : x
  2. Step 2: Convert to fraction form
    69,663.80/104,424.21 = 27,526.82/x
  3. Step 3: Cross multiply
    69,663.80x = 104,424.21 × 27,526.82
  4. Step 4: Simplify right side
    69,663.80x = 2,874,466,432.31
  5. Step 5: Solve for x
    x = 2,874,466,432.31/69,663.80
  6. Step 6: Final answer
    x = 41,261.98

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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.