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Finding the Fourth Proportional to 69,562.47, 104,348.07 and 19,646.47

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Solution

The fourth proportional to 69,562.47, 104,348.07 and 19,646.47 is: 29,470.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,562.47 : 104,348.07 = 19,646.47 : x
  2. Step 2: Convert to fraction form
    69,562.47/104,348.07 = 19,646.47/x
  3. Step 3: Cross multiply
    69,562.47x = 104,348.07 × 19,646.47
  4. Step 4: Simplify right side
    69,562.47x = 2,050,071,705.98
  5. Step 5: Solve for x
    x = 2,050,071,705.98/69,562.47
  6. Step 6: Final answer
    x = 29,470.94

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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.