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Finding the Fourth Proportional to 8,970.93, 13,456.47 and 3,127.53

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Solution

The fourth proportional to 8,970.93, 13,456.47 and 3,127.53 is: 4,691.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,970.93 : 13,456.47 = 3,127.53 : x
  2. Step 2: Convert to fraction form
    8,970.93/13,456.47 = 3,127.53/x
  3. Step 3: Cross multiply
    8,970.93x = 13,456.47 × 3,127.53
  4. Step 4: Simplify right side
    8,970.93x = 42,085,513.62
  5. Step 5: Solve for x
    x = 42,085,513.62/8,970.93
  6. Step 6: Final answer
    x = 4,691.32

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