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Finding the Fourth Proportional to 9,655.49, 13,324.28 and 5,463.74

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Solution

The fourth proportional to 9,655.49, 13,324.28 and 5,463.74 is: 7,539.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,655.49 : 13,324.28 = 5,463.74 : x
  2. Step 2: Convert to fraction form
    9,655.49/13,324.28 = 5,463.74/x
  3. Step 3: Cross multiply
    9,655.49x = 13,324.28 × 5,463.74
  4. Step 4: Simplify right side
    9,655.49x = 72,800,307.67
  5. Step 5: Solve for x
    x = 72,800,307.67/9,655.49
  6. Step 6: Final answer
    x = 7,539.79

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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.