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Finding the Fourth Proportional to 5,920.85, 8,881.16 and 2,410.72

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Solution

The fourth proportional to 5,920.85, 8,881.16 and 2,410.72 is: 3,616.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,920.85 : 8,881.16 = 2,410.72 : x
  2. Step 2: Convert to fraction form
    5,920.85/8,881.16 = 2,410.72/x
  3. Step 3: Cross multiply
    5,920.85x = 8,881.16 × 2,410.72
  4. Step 4: Simplify right side
    5,920.85x = 21,409,955.78
  5. Step 5: Solve for x
    x = 21,409,955.78/5,920.85
  6. Step 6: Final answer
    x = 3,616.03

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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.