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Finding the Fourth Proportional to 5,880.60, 8,813.91 and 2,917.22

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Solution

The fourth proportional to 5,880.60, 8,813.91 and 2,917.22 is: 4,372.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,880.60 : 8,813.91 = 2,917.22 : x
  2. Step 2: Convert to fraction form
    5,880.60/8,813.91 = 2,917.22/x
  3. Step 3: Cross multiply
    5,880.60x = 8,813.91 × 2,917.22
  4. Step 4: Simplify right side
    5,880.60x = 25,712,081.40
  5. Step 5: Solve for x
    x = 25,712,081.40/5,880.60
  6. Step 6: Final answer
    x = 4,372.36

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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.