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Finding the Fourth Proportional to 61,889.46, 85,408.39 and 33,595.14

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Solution

The fourth proportional to 61,889.46, 85,408.39 and 33,595.14 is: 46,361.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,889.46 : 85,408.39 = 33,595.14 : x
  2. Step 2: Convert to fraction form
    61,889.46/85,408.39 = 33,595.14/x
  3. Step 3: Cross multiply
    61,889.46x = 85,408.39 × 33,595.14
  4. Step 4: Simplify right side
    61,889.46x = 2,869,306,819.22
  5. Step 5: Solve for x
    x = 2,869,306,819.22/61,889.46
  6. Step 6: Final answer
    x = 46,361.80

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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.