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Finding the Fourth Proportional to 47,200.88, 70,813.67 and 17,618.97

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Solution

The fourth proportional to 47,200.88, 70,813.67 and 17,618.97 is: 26,433.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,200.88 : 70,813.67 = 17,618.97 : x
  2. Step 2: Convert to fraction form
    47,200.88/70,813.67 = 17,618.97/x
  3. Step 3: Cross multiply
    47,200.88x = 70,813.67 × 17,618.97
  4. Step 4: Simplify right side
    47,200.88x = 1,247,664,104.78
  5. Step 5: Solve for x
    x = 1,247,664,104.78/47,200.88
  6. Step 6: Final answer
    x = 26,433.07

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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.