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Finding the Fourth Proportional to 69,596.76, 104,382.02 and 19,676.46

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Solution

The fourth proportional to 69,596.76, 104,382.02 and 19,676.46 is: 29,510.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,596.76 : 104,382.02 = 19,676.46 : x
  2. Step 2: Convert to fraction form
    69,596.76/104,382.02 = 19,676.46/x
  3. Step 3: Cross multiply
    69,596.76x = 104,382.02 × 19,676.46
  4. Step 4: Simplify right side
    69,596.76x = 2,053,868,641.25
  5. Step 5: Solve for x
    x = 2,053,868,641.25/69,596.76
  6. Step 6: Final answer
    x = 29,510.98

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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.