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Finding the Fourth Proportional to 9,364.78, 14,045.73 and 3,124.90

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Solution

The fourth proportional to 9,364.78, 14,045.73 and 3,124.90 is: 4,686.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,364.78 : 14,045.73 = 3,124.90 : x
  2. Step 2: Convert to fraction form
    9,364.78/14,045.73 = 3,124.90/x
  3. Step 3: Cross multiply
    9,364.78x = 14,045.73 × 3,124.90
  4. Step 4: Simplify right side
    9,364.78x = 43,891,501.68
  5. Step 5: Solve for x
    x = 43,891,501.68/9,364.78
  6. Step 6: Final answer
    x = 4,686.87

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