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Finding the Fourth Proportional to 75,685.56, 104,441.49 and 43,848.96

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Solution

The fourth proportional to 75,685.56, 104,441.49 and 43,848.96 is: 60,508.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,685.56 : 104,441.49 = 43,848.96 : x
  2. Step 2: Convert to fraction form
    75,685.56/104,441.49 = 43,848.96/x
  3. Step 3: Cross multiply
    75,685.56x = 104,441.49 × 43,848.96
  4. Step 4: Simplify right side
    75,685.56x = 4,579,650,717.35
  5. Step 5: Solve for x
    x = 4,579,650,717.35/75,685.56
  6. Step 6: Final answer
    x = 60,508.91

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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.