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Finding the Fourth Proportional to 27,225.64, 40,828.38 and 9,690.76

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Solution

The fourth proportional to 27,225.64, 40,828.38 and 9,690.76 is: 14,532.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,225.64 : 40,828.38 = 9,690.76 : x
  2. Step 2: Convert to fraction form
    27,225.64/40,828.38 = 9,690.76/x
  3. Step 3: Cross multiply
    27,225.64x = 40,828.38 × 9,690.76
  4. Step 4: Simplify right side
    27,225.64x = 395,658,031.77
  5. Step 5: Solve for x
    x = 395,658,031.77/27,225.64
  6. Step 6: Final answer
    x = 14,532.55

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