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Finding the Fourth Proportional to 2,699.95, 3,725.91 and 1,521.02

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Solution

The fourth proportional to 2,699.95, 3,725.91 and 1,521.02 is: 2,098.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,699.95 : 3,725.91 = 1,521.02 : x
  2. Step 2: Convert to fraction form
    2,699.95/3,725.91 = 1,521.02/x
  3. Step 3: Cross multiply
    2,699.95x = 3,725.91 × 1,521.02
  4. Step 4: Simplify right side
    2,699.95x = 5,667,157.39
  5. Step 5: Solve for x
    x = 5,667,157.39/2,699.95
  6. Step 6: Final answer
    x = 2,098.99

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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.