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Finding the Fourth Proportional to 57,303.57, 85,972.95 and 27,356.02

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Solution

The fourth proportional to 57,303.57, 85,972.95 and 27,356.02 is: 41,042.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,303.57 : 85,972.95 = 27,356.02 : x
  2. Step 2: Convert to fraction form
    57,303.57/85,972.95 = 27,356.02/x
  3. Step 3: Cross multiply
    57,303.57x = 85,972.95 × 27,356.02
  4. Step 4: Simplify right side
    57,303.57x = 2,351,877,739.66
  5. Step 5: Solve for x
    x = 2,351,877,739.66/57,303.57
  6. Step 6: Final answer
    x = 41,042.43

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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.