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Finding the Fourth Proportional to 8,810.64, 13,190.03 and 5,881.68

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Solution

The fourth proportional to 8,810.64, 13,190.03 and 5,881.68 is: 8,805.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,810.64 : 13,190.03 = 5,881.68 : x
  2. Step 2: Convert to fraction form
    8,810.64/13,190.03 = 5,881.68/x
  3. Step 3: Cross multiply
    8,810.64x = 13,190.03 × 5,881.68
  4. Step 4: Simplify right side
    8,810.64x = 77,579,535.65
  5. Step 5: Solve for x
    x = 77,579,535.65/8,810.64
  6. Step 6: Final answer
    x = 8,805.21

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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.