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Finding the Fourth Proportional to 69,502.95, 104,253.57 and 16,912.89

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Solution

The fourth proportional to 69,502.95, 104,253.57 and 16,912.89 is: 25,369.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,502.95 : 104,253.57 = 16,912.89 : x
  2. Step 2: Convert to fraction form
    69,502.95/104,253.57 = 16,912.89/x
  3. Step 3: Cross multiply
    69,502.95x = 104,253.57 × 16,912.89
  4. Step 4: Simplify right side
    69,502.95x = 1,763,229,161.52
  5. Step 5: Solve for x
    x = 1,763,229,161.52/69,502.95
  6. Step 6: Final answer
    x = 25,369.13

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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.