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Finding the Fourth Proportional to 5,300.61, 7,950.90 and 1,837.86

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Solution

The fourth proportional to 5,300.61, 7,950.90 and 1,837.86 is: 2,756.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,300.61 : 7,950.90 = 1,837.86 : x
  2. Step 2: Convert to fraction form
    5,300.61/7,950.90 = 1,837.86/x
  3. Step 3: Cross multiply
    5,300.61x = 7,950.90 × 1,837.86
  4. Step 4: Simplify right side
    5,300.61x = 14,612,641.07
  5. Step 5: Solve for x
    x = 14,612,641.07/5,300.61
  6. Step 6: Final answer
    x = 2,756.78

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