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Finding the Fourth Proportional to 8,672.16, 13,010.40 and 3,483.84

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Solution

The fourth proportional to 8,672.16, 13,010.40 and 3,483.84 is: 5,226.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,672.16 : 13,010.40 = 3,483.84 : x
  2. Step 2: Convert to fraction form
    8,672.16/13,010.40 = 3,483.84/x
  3. Step 3: Cross multiply
    8,672.16x = 13,010.40 × 3,483.84
  4. Step 4: Simplify right side
    8,672.16x = 45,326,151.94
  5. Step 5: Solve for x
    x = 45,326,151.94/8,672.16
  6. Step 6: Final answer
    x = 5,226.63

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.