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Finding the Fourth Proportional to 50,993.60, 76,478.81 and 19,392.39

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Solution

The fourth proportional to 50,993.60, 76,478.81 and 19,392.39 is: 29,084.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,993.60 : 76,478.81 = 19,392.39 : x
  2. Step 2: Convert to fraction form
    50,993.60/76,478.81 = 19,392.39/x
  3. Step 3: Cross multiply
    50,993.60x = 76,478.81 × 19,392.39
  4. Step 4: Simplify right side
    50,993.60x = 1,483,106,813.29
  5. Step 5: Solve for x
    x = 1,483,106,813.29/50,993.60
  6. Step 6: Final answer
    x = 29,084.18

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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.