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Finding the Fourth Proportional to 2,187.81, 3,014.06 and 1,523.52

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Solution

The fourth proportional to 2,187.81, 3,014.06 and 1,523.52 is: 2,098.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,187.81 : 3,014.06 = 1,523.52 : x
  2. Step 2: Convert to fraction form
    2,187.81/3,014.06 = 1,523.52/x
  3. Step 3: Cross multiply
    2,187.81x = 3,014.06 × 1,523.52
  4. Step 4: Simplify right side
    2,187.81x = 4,591,973.07
  5. Step 5: Solve for x
    x = 4,591,973.07/2,187.81
  6. Step 6: Final answer
    x = 2,098.89

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