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Finding the Fourth Proportional to 8,652.22, 11,939.20 and 5,295.98

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Solution

The fourth proportional to 8,652.22, 11,939.20 and 5,295.98 is: 7,307.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,652.22 : 11,939.20 = 5,295.98 : x
  2. Step 2: Convert to fraction form
    8,652.22/11,939.20 = 5,295.98/x
  3. Step 3: Cross multiply
    8,652.22x = 11,939.20 × 5,295.98
  4. Step 4: Simplify right side
    8,652.22x = 63,229,781.02
  5. Step 5: Solve for x
    x = 63,229,781.02/8,652.22
  6. Step 6: Final answer
    x = 7,307.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.