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Finding the Fourth Proportional to 69,056.67, 95,301.05 and 38,843.40

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Solution

The fourth proportional to 69,056.67, 95,301.05 and 38,843.40 is: 53,605.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,056.67 : 95,301.05 = 38,843.40 : x
  2. Step 2: Convert to fraction form
    69,056.67/95,301.05 = 38,843.40/x
  3. Step 3: Cross multiply
    69,056.67x = 95,301.05 × 38,843.40
  4. Step 4: Simplify right side
    69,056.67x = 3,701,816,805.57
  5. Step 5: Solve for x
    x = 3,701,816,805.57/69,056.67
  6. Step 6: Final answer
    x = 53,605.49

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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.