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Finding the Fourth Proportional to 8,796.74, 12,139.76 and 4,818.22

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Solution

The fourth proportional to 8,796.74, 12,139.76 and 4,818.22 is: 6,649.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,796.74 : 12,139.76 = 4,818.22 : x
  2. Step 2: Convert to fraction form
    8,796.74/12,139.76 = 4,818.22/x
  3. Step 3: Cross multiply
    8,796.74x = 12,139.76 × 4,818.22
  4. Step 4: Simplify right side
    8,796.74x = 58,492,034.43
  5. Step 5: Solve for x
    x = 58,492,034.43/8,796.74
  6. Step 6: Final answer
    x = 6,649.29

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