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Finding the Fourth Proportional to 61,942.70, 85,477.74 and 33,648.32

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Solution

The fourth proportional to 61,942.70, 85,477.74 and 33,648.32 is: 46,432.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,942.70 : 85,477.74 = 33,648.32 : x
  2. Step 2: Convert to fraction form
    61,942.70/85,477.74 = 33,648.32/x
  3. Step 3: Cross multiply
    61,942.70x = 85,477.74 × 33,648.32
  4. Step 4: Simplify right side
    61,942.70x = 2,876,182,348.40
  5. Step 5: Solve for x
    x = 2,876,182,348.40/61,942.70
  6. Step 6: Final answer
    x = 46,432.95

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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.