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Finding the Fourth Proportional to 2,937.53, 4,405.01 and 1,112.25

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Solution

The fourth proportional to 2,937.53, 4,405.01 and 1,112.25 is: 1,667.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,937.53 : 4,405.01 = 1,112.25 : x
  2. Step 2: Convert to fraction form
    2,937.53/4,405.01 = 1,112.25/x
  3. Step 3: Cross multiply
    2,937.53x = 4,405.01 × 1,112.25
  4. Step 4: Simplify right side
    2,937.53x = 4,899,472.37
  5. Step 5: Solve for x
    x = 4,899,472.37/2,937.53
  6. Step 6: Final answer
    x = 1,667.89

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.