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Finding the Fourth Proportional to 61,894.89, 85,414.73 and 33,600.57

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Solution

The fourth proportional to 61,894.89, 85,414.73 and 33,600.57 is: 46,368.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,894.89 : 85,414.73 = 33,600.57 : x
  2. Step 2: Convert to fraction form
    61,894.89/85,414.73 = 33,600.57/x
  3. Step 3: Cross multiply
    61,894.89x = 85,414.73 × 33,600.57
  4. Step 4: Simplify right side
    61,894.89x = 2,869,983,446.39
  5. Step 5: Solve for x
    x = 2,869,983,446.39/61,894.89
  6. Step 6: Final answer
    x = 46,368.67

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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.