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Finding the Fourth Proportional to 52,458.70, 72,392.90 and 28,585.55

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Solution

The fourth proportional to 52,458.70, 72,392.90 and 28,585.55 is: 39,448.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,458.70 : 72,392.90 = 28,585.55 : x
  2. Step 2: Convert to fraction form
    52,458.70/72,392.90 = 28,585.55/x
  3. Step 3: Cross multiply
    52,458.70x = 72,392.90 × 28,585.55
  4. Step 4: Simplify right side
    52,458.70x = 2,069,390,862.60
  5. Step 5: Solve for x
    x = 2,069,390,862.60/52,458.70
  6. Step 6: Final answer
    x = 39,448.00

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