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Finding the Fourth Proportional to 2,403.10, 3,603.93 and 1,248.22

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Solution

The fourth proportional to 2,403.10, 3,603.93 and 1,248.22 is: 1,871.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,403.10 : 3,603.93 = 1,248.22 : x
  2. Step 2: Convert to fraction form
    2,403.10/3,603.93 = 1,248.22/x
  3. Step 3: Cross multiply
    2,403.10x = 3,603.93 × 1,248.22
  4. Step 4: Simplify right side
    2,403.10x = 4,498,497.50
  5. Step 5: Solve for x
    x = 4,498,497.50/2,403.10
  6. Step 6: Final answer
    x = 1,871.96

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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.