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Finding the Fourth Proportional to 58,712.64, 88,068.95 and 21,272.61

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Solution

The fourth proportional to 58,712.64, 88,068.95 and 21,272.61 is: 31,908.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,712.64 : 88,068.95 = 21,272.61 : x
  2. Step 2: Convert to fraction form
    58,712.64/88,068.95 = 21,272.61/x
  3. Step 3: Cross multiply
    58,712.64x = 88,068.95 × 21,272.61
  4. Step 4: Simplify right side
    58,712.64x = 1,873,456,426.46
  5. Step 5: Solve for x
    x = 1,873,456,426.46/58,712.64
  6. Step 6: Final answer
    x = 31,908.91

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