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Finding the Fourth Proportional to 50,299.68, 69,415.02 and 27,640.08

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Solution

The fourth proportional to 50,299.68, 69,415.02 and 27,640.08 is: 38,144.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,299.68 : 69,415.02 = 27,640.08 : x
  2. Step 2: Convert to fraction form
    50,299.68/69,415.02 = 27,640.08/x
  3. Step 3: Cross multiply
    50,299.68x = 69,415.02 × 27,640.08
  4. Step 4: Simplify right side
    50,299.68x = 1,918,636,706.00
  5. Step 5: Solve for x
    x = 1,918,636,706.00/50,299.68
  6. Step 6: Final answer
    x = 38,144.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.