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Finding the Fourth Proportional to 2,527.55, 3,488.01 and 1,408.48

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Solution

The fourth proportional to 2,527.55, 3,488.01 and 1,408.48 is: 1,943.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,527.55 : 3,488.01 = 1,408.48 : x
  2. Step 2: Convert to fraction form
    2,527.55/3,488.01 = 1,408.48/x
  3. Step 3: Cross multiply
    2,527.55x = 3,488.01 × 1,408.48
  4. Step 4: Simplify right side
    2,527.55x = 4,912,792.32
  5. Step 5: Solve for x
    x = 4,912,792.32/2,527.55
  6. Step 6: Final answer
    x = 1,943.70

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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.