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Finding the Fourth Proportional to 9,916.74, 14,875.83 and 3,340.74

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Solution

The fourth proportional to 9,916.74, 14,875.83 and 3,340.74 is: 5,011.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,916.74 : 14,875.83 = 3,340.74 : x
  2. Step 2: Convert to fraction form
    9,916.74/14,875.83 = 3,340.74/x
  3. Step 3: Cross multiply
    9,916.74x = 14,875.83 × 3,340.74
  4. Step 4: Simplify right side
    9,916.74x = 49,696,280.31
  5. Step 5: Solve for x
    x = 49,696,280.31/9,916.74
  6. Step 6: Final answer
    x = 5,011.35

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