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Finding the Fourth Proportional to 4,869.55, 7,305.14 and 2,403.91

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Solution

The fourth proportional to 4,869.55, 7,305.14 and 2,403.91 is: 3,606.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,869.55 : 7,305.14 = 2,403.91 : x
  2. Step 2: Convert to fraction form
    4,869.55/7,305.14 = 2,403.91/x
  3. Step 3: Cross multiply
    4,869.55x = 7,305.14 × 2,403.91
  4. Step 4: Simplify right side
    4,869.55x = 17,560,899.10
  5. Step 5: Solve for x
    x = 17,560,899.10/4,869.55
  6. Step 6: Final answer
    x = 3,606.27

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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.