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Finding the Fourth Proportional to 8,203.51, 12,306.44 and 2,655.01

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Solution

The fourth proportional to 8,203.51, 12,306.44 and 2,655.01 is: 3,982.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,203.51 : 12,306.44 = 2,655.01 : x
  2. Step 2: Convert to fraction form
    8,203.51/12,306.44 = 2,655.01/x
  3. Step 3: Cross multiply
    8,203.51x = 12,306.44 × 2,655.01
  4. Step 4: Simplify right side
    8,203.51x = 32,673,721.26
  5. Step 5: Solve for x
    x = 32,673,721.26/8,203.51
  6. Step 6: Final answer
    x = 3,982.90

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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.