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Finding the Fourth Proportional to 8,920.00, 13,381.88 and 3,373.22

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Solution

The fourth proportional to 8,920.00, 13,381.88 and 3,373.22 is: 5,060.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,920.00 : 13,381.88 = 3,373.22 : x
  2. Step 2: Convert to fraction form
    8,920.00/13,381.88 = 3,373.22/x
  3. Step 3: Cross multiply
    8,920.00x = 13,381.88 × 3,373.22
  4. Step 4: Simplify right side
    8,920.00x = 45,140,083.87
  5. Step 5: Solve for x
    x = 45,140,083.87/8,920.00
  6. Step 6: Final answer
    x = 5,060.55

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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.