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Finding the Fourth Proportional to 9,362.88, 14,040.42 and 3,812.46

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Solution

The fourth proportional to 9,362.88, 14,040.42 and 3,812.46 is: 5,717.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,362.88 : 14,040.42 = 3,812.46 : x
  2. Step 2: Convert to fraction form
    9,362.88/14,040.42 = 3,812.46/x
  3. Step 3: Cross multiply
    9,362.88x = 14,040.42 × 3,812.46
  4. Step 4: Simplify right side
    9,362.88x = 53,528,539.63
  5. Step 5: Solve for x
    x = 53,528,539.63/9,362.88
  6. Step 6: Final answer
    x = 5,717.10

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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.