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Finding the Fourth Proportional to 48,494.35, 66,906.60 and 29,368

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Solution

The fourth proportional to 48,494.35, 66,906.60 and 29,368 is: 40,518.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,494.35 : 66,906.60 = 29,368 : x
  2. Step 2: Convert to fraction form
    48,494.35/66,906.60 = 29,368/x
  3. Step 3: Cross multiply
    48,494.35x = 66,906.60 × 29,368
  4. Step 4: Simplify right side
    48,494.35x = 1,964,913,028.80
  5. Step 5: Solve for x
    x = 1,964,913,028.80/48,494.35
  6. Step 6: Final answer
    x = 40,518.39

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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.