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Finding the Fourth Proportional to 61,894.50, 85,414.56 and 33,600.18

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Solution

The fourth proportional to 61,894.50, 85,414.56 and 33,600.18 is: 46,368.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,894.50 : 85,414.56 = 33,600.18 : x
  2. Step 2: Convert to fraction form
    61,894.50/85,414.56 = 33,600.18/x
  3. Step 3: Cross multiply
    61,894.50x = 85,414.56 × 33,600.18
  4. Step 4: Simplify right side
    61,894.50x = 2,869,944,590.62
  5. Step 5: Solve for x
    x = 2,869,944,590.62/61,894.50
  6. Step 6: Final answer
    x = 46,368.33

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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.