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Finding the Fourth Proportional to 2,551.77, 3,826.47 and 1,497.90

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Solution

The fourth proportional to 2,551.77, 3,826.47 and 1,497.90 is: 2,246.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,551.77 : 3,826.47 = 1,497.90 : x
  2. Step 2: Convert to fraction form
    2,551.77/3,826.47 = 1,497.90/x
  3. Step 3: Cross multiply
    2,551.77x = 3,826.47 × 1,497.90
  4. Step 4: Simplify right side
    2,551.77x = 5,731,669.41
  5. Step 5: Solve for x
    x = 5,731,669.41/2,551.77
  6. Step 6: Final answer
    x = 2,246.15

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Why These Related Problems?

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