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Finding the Fourth Proportional to 9,762.39, 14,644.56 and 2,742.42

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Solution

The fourth proportional to 9,762.39, 14,644.56 and 2,742.42 is: 4,113.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,762.39 : 14,644.56 = 2,742.42 : x
  2. Step 2: Convert to fraction form
    9,762.39/14,644.56 = 2,742.42/x
  3. Step 3: Cross multiply
    9,762.39x = 14,644.56 × 2,742.42
  4. Step 4: Simplify right side
    9,762.39x = 40,161,534.24
  5. Step 5: Solve for x
    x = 40,161,534.24/9,762.39
  6. Step 6: Final answer
    x = 4,113.90

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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.