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Finding the Fourth Proportional to 37,991, 52,427.58 and 23,087

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Solution

The fourth proportional to 37,991, 52,427.58 and 23,087 is: 31,860.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,991 : 52,427.58 = 23,087 : x
  2. Step 2: Convert to fraction form
    37,991/52,427.58 = 23,087/x
  3. Step 3: Cross multiply
    37,991x = 52,427.58 × 23,087
  4. Step 4: Simplify right side
    37,991x = 1,210,395,539.46
  5. Step 5: Solve for x
    x = 1,210,395,539.46/37,991
  6. Step 6: Final answer
    x = 31,860.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.