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Finding the Fourth Proportional to 68,997, 95,215.02 and 38,787.36

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Solution

The fourth proportional to 68,997, 95,215.02 and 38,787.36 is: 53,526.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,997 : 95,215.02 = 38,787.36 : x
  2. Step 2: Convert to fraction form
    68,997/95,215.02 = 38,787.36/x
  3. Step 3: Cross multiply
    68,997x = 95,215.02 × 38,787.36
  4. Step 4: Simplify right side
    68,997x = 3,693,139,258.15
  5. Step 5: Solve for x
    x = 3,693,139,258.15/68,997
  6. Step 6: Final answer
    x = 53,526.08

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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.