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Finding the Fourth Proportional to 5,813.48, 8,717.55 and 1,863.98

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Solution

The fourth proportional to 5,813.48, 8,717.55 and 1,863.98 is: 2,795.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,813.48 : 8,717.55 = 1,863.98 : x
  2. Step 2: Convert to fraction form
    5,813.48/8,717.55 = 1,863.98/x
  3. Step 3: Cross multiply
    5,813.48x = 8,717.55 × 1,863.98
  4. Step 4: Simplify right side
    5,813.48x = 16,249,295.26
  5. Step 5: Solve for x
    x = 16,249,295.26/5,813.48
  6. Step 6: Final answer
    x = 2,795.11

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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.