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Finding the Fourth Proportional to 69,994.27, 96,600.29 and 39,784.13

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Solution

The fourth proportional to 69,994.27, 96,600.29 and 39,784.13 is: 54,906.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,994.27 : 96,600.29 = 39,784.13 : x
  2. Step 2: Convert to fraction form
    69,994.27/96,600.29 = 39,784.13/x
  3. Step 3: Cross multiply
    69,994.27x = 96,600.29 × 39,784.13
  4. Step 4: Simplify right side
    69,994.27x = 3,843,157,813.48
  5. Step 5: Solve for x
    x = 3,843,157,813.48/69,994.27
  6. Step 6: Final answer
    x = 54,906.75

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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.