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Finding the Fourth Proportional to 5,881.33, 8,813.76 and 4,419.55

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Solution

The fourth proportional to 5,881.33, 8,813.76 and 4,419.55 is: 6,623.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,881.33 : 8,813.76 = 4,419.55 : x
  2. Step 2: Convert to fraction form
    5,881.33/8,813.76 = 4,419.55/x
  3. Step 3: Cross multiply
    5,881.33x = 8,813.76 × 4,419.55
  4. Step 4: Simplify right side
    5,881.33x = 38,952,853.01
  5. Step 5: Solve for x
    x = 38,952,853.01/5,881.33
  6. Step 6: Final answer
    x = 6,623.14

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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.