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Finding the Fourth Proportional to 2,651.49, 3,658.93 and 1,472.55

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Solution

The fourth proportional to 2,651.49, 3,658.93 and 1,472.55 is: 2,032.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,651.49 : 3,658.93 = 1,472.55 : x
  2. Step 2: Convert to fraction form
    2,651.49/3,658.93 = 1,472.55/x
  3. Step 3: Cross multiply
    2,651.49x = 3,658.93 × 1,472.55
  4. Step 4: Simplify right side
    2,651.49x = 5,387,957.37
  5. Step 5: Solve for x
    x = 5,387,957.37/2,651.49
  6. Step 6: Final answer
    x = 2,032.05

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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.