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Finding the Fourth Proportional to 47,375.70, 71,039.77 and 15,774.63

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Solution

The fourth proportional to 47,375.70, 71,039.77 and 15,774.63 is: 23,654.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,375.70 : 71,039.77 = 15,774.63 : x
  2. Step 2: Convert to fraction form
    47,375.70/71,039.77 = 15,774.63/x
  3. Step 3: Cross multiply
    47,375.70x = 71,039.77 × 15,774.63
  4. Step 4: Simplify right side
    47,375.70x = 1,120,626,087.04
  5. Step 5: Solve for x
    x = 1,120,626,087.04/47,375.70
  6. Step 6: Final answer
    x = 23,654.03

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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.