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Finding the Fourth Proportional to 5,110.68, 7,666.18 and 1,648.28

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Solution

The fourth proportional to 5,110.68, 7,666.18 and 1,648.28 is: 2,472.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,110.68 : 7,666.18 = 1,648.28 : x
  2. Step 2: Convert to fraction form
    5,110.68/7,666.18 = 1,648.28/x
  3. Step 3: Cross multiply
    5,110.68x = 7,666.18 × 1,648.28
  4. Step 4: Simplify right side
    5,110.68x = 12,636,011.17
  5. Step 5: Solve for x
    x = 12,636,011.17/5,110.68
  6. Step 6: Final answer
    x = 2,472.47

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