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Finding the Fourth Proportional to 18,030.14, 27,037.90 and 7,493

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Solution

The fourth proportional to 18,030.14, 27,037.90 and 7,493 is: 11,236.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,030.14 : 27,037.90 = 7,493 : x
  2. Step 2: Convert to fraction form
    18,030.14/27,037.90 = 7,493/x
  3. Step 3: Cross multiply
    18,030.14x = 27,037.90 × 7,493
  4. Step 4: Simplify right side
    18,030.14x = 202,594,984.70
  5. Step 5: Solve for x
    x = 202,594,984.70/18,030.14
  6. Step 6: Final answer
    x = 11,236.46

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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.