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Finding the Fourth Proportional to 58,569.68, 87,800.76 and 21,120.95

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Solution

The fourth proportional to 58,569.68, 87,800.76 and 21,120.95 is: 31,662.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,569.68 : 87,800.76 = 21,120.95 : x
  2. Step 2: Convert to fraction form
    58,569.68/87,800.76 = 21,120.95/x
  3. Step 3: Cross multiply
    58,569.68x = 87,800.76 × 21,120.95
  4. Step 4: Simplify right side
    58,569.68x = 1,854,435,681.42
  5. Step 5: Solve for x
    x = 1,854,435,681.42/58,569.68
  6. Step 6: Final answer
    x = 31,662.04

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