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Finding the Fourth Proportional to 48,906.60, 73,338.30 and 19,314.60

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Solution

The fourth proportional to 48,906.60, 73,338.30 and 19,314.60 is: 28,963.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,906.60 : 73,338.30 = 19,314.60 : x
  2. Step 2: Convert to fraction form
    48,906.60/73,338.30 = 19,314.60/x
  3. Step 3: Cross multiply
    48,906.60x = 73,338.30 × 19,314.60
  4. Step 4: Simplify right side
    48,906.60x = 1,416,499,929.18
  5. Step 5: Solve for x
    x = 1,416,499,929.18/48,906.60
  6. Step 6: Final answer
    x = 28,963.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.