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Finding the Fourth Proportional to 22,295.85, 33,443.84 and 5,655.90

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Solution

The fourth proportional to 22,295.85, 33,443.84 and 5,655.90 is: 8,483.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,295.85 : 33,443.84 = 5,655.90 : x
  2. Step 2: Convert to fraction form
    22,295.85/33,443.84 = 5,655.90/x
  3. Step 3: Cross multiply
    22,295.85x = 33,443.84 × 5,655.90
  4. Step 4: Simplify right side
    22,295.85x = 189,155,014.66
  5. Step 5: Solve for x
    x = 189,155,014.66/22,295.85
  6. Step 6: Final answer
    x = 8,483.87

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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.