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Finding the Fourth Proportional to 66,312.56, 91,508.64 and 37,998.56

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Solution

The fourth proportional to 66,312.56, 91,508.64 and 37,998.56 is: 52,436.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,312.56 : 91,508.64 = 37,998.56 : x
  2. Step 2: Convert to fraction form
    66,312.56/91,508.64 = 37,998.56/x
  3. Step 3: Cross multiply
    66,312.56x = 91,508.64 × 37,998.56
  4. Step 4: Simplify right side
    66,312.56x = 3,477,196,547.56
  5. Step 5: Solve for x
    x = 3,477,196,547.56/66,312.56
  6. Step 6: Final answer
    x = 52,436.47

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