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Finding the Fourth Proportional to 69,459.98, 104,188.52 and 16,869.74

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Solution

The fourth proportional to 69,459.98, 104,188.52 and 16,869.74 is: 25,304.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,459.98 : 104,188.52 = 16,869.74 : x
  2. Step 2: Convert to fraction form
    69,459.98/104,188.52 = 16,869.74/x
  3. Step 3: Cross multiply
    69,459.98x = 104,188.52 × 16,869.74
  4. Step 4: Simplify right side
    69,459.98x = 1,757,633,243.38
  5. Step 5: Solve for x
    x = 1,757,633,243.38/69,459.98
  6. Step 6: Final answer
    x = 25,304.26

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1.5x scale

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.