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Finding the Fourth Proportional to 52,873.00, 72,964.24 and 28,999.77

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Solution

The fourth proportional to 52,873.00, 72,964.24 and 28,999.77 is: 40,019.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,873.00 : 72,964.24 = 28,999.77 : x
  2. Step 2: Convert to fraction form
    52,873.00/72,964.24 = 28,999.77/x
  3. Step 3: Cross multiply
    52,873.00x = 72,964.24 × 28,999.77
  4. Step 4: Simplify right side
    52,873.00x = 2,115,946,405.66
  5. Step 5: Solve for x
    x = 2,115,946,405.66/52,873.00
  6. Step 6: Final answer
    x = 40,019.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.