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Finding the Fourth Proportional to 69,471.50, 104,207.25 and 16,881.14

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Solution

The fourth proportional to 69,471.50, 104,207.25 and 16,881.14 is: 25,321.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,471.50 : 104,207.25 = 16,881.14 : x
  2. Step 2: Convert to fraction form
    69,471.50/104,207.25 = 16,881.14/x
  3. Step 3: Cross multiply
    69,471.50x = 104,207.25 × 16,881.14
  4. Step 4: Simplify right side
    69,471.50x = 1,759,136,655.23
  5. Step 5: Solve for x
    x = 1,759,136,655.23/69,471.50
  6. Step 6: Final answer
    x = 25,321.70

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Double scale
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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.