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Finding the Fourth Proportional to 69,594.76, 104,379.02 and 19,674.46

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Solution

The fourth proportional to 69,594.76, 104,379.02 and 19,674.46 is: 29,507.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,594.76 : 104,379.02 = 19,674.46 : x
  2. Step 2: Convert to fraction form
    69,594.76/104,379.02 = 19,674.46/x
  3. Step 3: Cross multiply
    69,594.76x = 104,379.02 × 19,674.46
  4. Step 4: Simplify right side
    69,594.76x = 2,053,600,853.83
  5. Step 5: Solve for x
    x = 2,053,600,853.83/69,594.76
  6. Step 6: Final answer
    x = 29,507.98

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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.