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Finding the Fourth Proportional to 47,093.50, 70,640.26 and 14,261.50

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Solution

The fourth proportional to 47,093.50, 70,640.26 and 14,261.50 is: 21,392.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,093.50 : 70,640.26 = 14,261.50 : x
  2. Step 2: Convert to fraction form
    47,093.50/70,640.26 = 14,261.50/x
  3. Step 3: Cross multiply
    47,093.50x = 70,640.26 × 14,261.50
  4. Step 4: Simplify right side
    47,093.50x = 1,007,436,067.99
  5. Step 5: Solve for x
    x = 1,007,436,067.99/47,093.50
  6. Step 6: Final answer
    x = 21,392.25

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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.