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Finding the Fourth Proportional to 2,411.76, 3,618.92 and 1,547.76

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Solution

The fourth proportional to 2,411.76, 3,618.92 and 1,547.76 is: 2,322.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,411.76 : 3,618.92 = 1,547.76 : x
  2. Step 2: Convert to fraction form
    2,411.76/3,618.92 = 1,547.76/x
  3. Step 3: Cross multiply
    2,411.76x = 3,618.92 × 1,547.76
  4. Step 4: Simplify right side
    2,411.76x = 5,601,219.62
  5. Step 5: Solve for x
    x = 5,601,219.62/2,411.76
  6. Step 6: Final answer
    x = 2,322.46

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