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Finding the Fourth Proportional to 7,153.31, 9,872.18 and 4,010.11

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Solution

The fourth proportional to 7,153.31, 9,872.18 and 4,010.11 is: 5,534.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,153.31 : 9,872.18 = 4,010.11 : x
  2. Step 2: Convert to fraction form
    7,153.31/9,872.18 = 4,010.11/x
  3. Step 3: Cross multiply
    7,153.31x = 9,872.18 × 4,010.11
  4. Step 4: Simplify right side
    7,153.31x = 39,588,498.05
  5. Step 5: Solve for x
    x = 39,588,498.05/7,153.31
  6. Step 6: Final answer
    x = 5,534.29

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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.