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Finding the Fourth Proportional to 52,850.86, 79,284.48 and 17,787.78

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Solution

The fourth proportional to 52,850.86, 79,284.48 and 17,787.78 is: 26,684.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,850.86 : 79,284.48 = 17,787.78 : x
  2. Step 2: Convert to fraction form
    52,850.86/79,284.48 = 17,787.78/x
  3. Step 3: Cross multiply
    52,850.86x = 79,284.48 × 17,787.78
  4. Step 4: Simplify right side
    52,850.86x = 1,410,294,887.65
  5. Step 5: Solve for x
    x = 1,410,294,887.65/52,850.86
  6. Step 6: Final answer
    x = 26,684.43

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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.