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Finding the Fourth Proportional to 69,173.81, 95,461.62 and 38,960.27

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Solution

The fourth proportional to 69,173.81, 95,461.62 and 38,960.27 is: 53,766.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,173.81 : 95,461.62 = 38,960.27 : x
  2. Step 2: Convert to fraction form
    69,173.81/95,461.62 = 38,960.27/x
  3. Step 3: Cross multiply
    69,173.81x = 95,461.62 × 38,960.27
  4. Step 4: Simplify right side
    69,173.81x = 3,719,210,489.84
  5. Step 5: Solve for x
    x = 3,719,210,489.84/69,173.81
  6. Step 6: Final answer
    x = 53,766.17

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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.