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Finding the Fourth Proportional to 75,765.78, 113,648.27 and 22,461.81

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Solution

The fourth proportional to 75,765.78, 113,648.27 and 22,461.81 is: 33,692.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,765.78 : 113,648.27 = 22,461.81 : x
  2. Step 2: Convert to fraction form
    75,765.78/113,648.27 = 22,461.81/x
  3. Step 3: Cross multiply
    75,765.78x = 113,648.27 × 22,461.81
  4. Step 4: Simplify right side
    75,765.78x = 2,552,745,309.08
  5. Step 5: Solve for x
    x = 2,552,745,309.08/75,765.78
  6. Step 6: Final answer
    x = 33,692.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.