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Finding the Fourth Proportional to 60,650.80, 90,988.48 and 25,590.40

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Solution

The fourth proportional to 60,650.80, 90,988.48 and 25,590.40 is: 38,390.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,650.80 : 90,988.48 = 25,590.40 : x
  2. Step 2: Convert to fraction form
    60,650.80/90,988.48 = 25,590.40/x
  3. Step 3: Cross multiply
    60,650.80x = 90,988.48 × 25,590.40
  4. Step 4: Simplify right side
    60,650.80x = 2,328,431,598.59
  5. Step 5: Solve for x
    x = 2,328,431,598.59/60,650.80
  6. Step 6: Final answer
    x = 38,390.78

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