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Finding the Fourth Proportional to 52,969.86, 79,333.83 and 25,287.30

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Solution

The fourth proportional to 52,969.86, 79,333.83 and 25,287.30 is: 37,873.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,969.86 : 79,333.83 = 25,287.30 : x
  2. Step 2: Convert to fraction form
    52,969.86/79,333.83 = 25,287.30/x
  3. Step 3: Cross multiply
    52,969.86x = 79,333.83 × 25,287.30
  4. Step 4: Simplify right side
    52,969.86x = 2,006,138,359.36
  5. Step 5: Solve for x
    x = 2,006,138,359.36/52,969.86
  6. Step 6: Final answer
    x = 37,873.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.