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Finding the Fourth Proportional to 47,297.88, 70,944.75 and 11,758.44

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Solution

The fourth proportional to 47,297.88, 70,944.75 and 11,758.44 is: 17,637.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,297.88 : 70,944.75 = 11,758.44 : x
  2. Step 2: Convert to fraction form
    47,297.88/70,944.75 = 11,758.44/x
  3. Step 3: Cross multiply
    47,297.88x = 70,944.75 × 11,758.44
  4. Step 4: Simplify right side
    47,297.88x = 834,199,586.19
  5. Step 5: Solve for x
    x = 834,199,586.19/47,297.88
  6. Step 6: Final answer
    x = 17,637.15

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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.