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Finding the Fourth Proportional to 32,978.61, 45,516.33 and 25,007.40

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Solution

The fourth proportional to 32,978.61, 45,516.33 and 25,007.40 is: 34,514.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,978.61 : 45,516.33 = 25,007.40 : x
  2. Step 2: Convert to fraction form
    32,978.61/45,516.33 = 25,007.40/x
  3. Step 3: Cross multiply
    32,978.61x = 45,516.33 × 25,007.40
  4. Step 4: Simplify right side
    32,978.61x = 1,138,245,070.84
  5. Step 5: Solve for x
    x = 1,138,245,070.84/32,978.61
  6. Step 6: Final answer
    x = 34,514.65

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