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Finding the Fourth Proportional to 43,393.73, 65,089.98 and 17,098.70

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Solution

The fourth proportional to 43,393.73, 65,089.98 and 17,098.70 is: 25,647.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,393.73 : 65,089.98 = 17,098.70 : x
  2. Step 2: Convert to fraction form
    43,393.73/65,089.98 = 17,098.70/x
  3. Step 3: Cross multiply
    43,393.73x = 65,089.98 × 17,098.70
  4. Step 4: Simplify right side
    43,393.73x = 1,112,953,715.58
  5. Step 5: Solve for x
    x = 1,112,953,715.58/43,393.73
  6. Step 6: Final answer
    x = 25,647.80

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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.