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Finding the Fourth Proportional to 5,916.93, 8,875.71 and 5,621.64

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Solution

The fourth proportional to 5,916.93, 8,875.71 and 5,621.64 is: 8,432.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,916.93 : 8,875.71 = 5,621.64 : x
  2. Step 2: Convert to fraction form
    5,916.93/8,875.71 = 5,621.64/x
  3. Step 3: Cross multiply
    5,916.93x = 8,875.71 × 5,621.64
  4. Step 4: Simplify right side
    5,916.93x = 49,896,046.36
  5. Step 5: Solve for x
    x = 49,896,046.36/5,916.93
  6. Step 6: Final answer
    x = 8,432.76

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