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Finding the Fourth Proportional to 38,398.95, 57,598.45 and 12,105.74

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Solution

The fourth proportional to 38,398.95, 57,598.45 and 12,105.74 is: 18,158.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,398.95 : 57,598.45 = 12,105.74 : x
  2. Step 2: Convert to fraction form
    38,398.95/57,598.45 = 12,105.74/x
  3. Step 3: Cross multiply
    38,398.95x = 57,598.45 × 12,105.74
  4. Step 4: Simplify right side
    38,398.95x = 697,271,973.83
  5. Step 5: Solve for x
    x = 697,271,973.83/38,398.95
  6. Step 6: Final answer
    x = 18,158.62

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