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Finding the Fourth Proportional to 5,921.55, 8,881.97 and 2,223.47

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Solution

The fourth proportional to 5,921.55, 8,881.97 and 2,223.47 is: 3,335.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,921.55 : 8,881.97 = 2,223.47 : x
  2. Step 2: Convert to fraction form
    5,921.55/8,881.97 = 2,223.47/x
  3. Step 3: Cross multiply
    5,921.55x = 8,881.97 × 2,223.47
  4. Step 4: Simplify right side
    5,921.55x = 19,748,804.92
  5. Step 5: Solve for x
    x = 19,748,804.92/5,921.55
  6. Step 6: Final answer
    x = 3,335.07

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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.