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Finding the Fourth Proportional to 68,277.40, 94,224.54 and 38,067.64

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Solution

The fourth proportional to 68,277.40, 94,224.54 and 38,067.64 is: 52,534.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,277.40 : 94,224.54 = 38,067.64 : x
  2. Step 2: Convert to fraction form
    68,277.40/94,224.54 = 38,067.64/x
  3. Step 3: Cross multiply
    68,277.40x = 94,224.54 × 38,067.64
  4. Step 4: Simplify right side
    68,277.40x = 3,586,905,867.89
  5. Step 5: Solve for x
    x = 3,586,905,867.89/68,277.40
  6. Step 6: Final answer
    x = 52,534.31

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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.