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Finding the Fourth Proportional to 49,572.80, 68,410.98 and 26,912.00

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Solution

The fourth proportional to 49,572.80, 68,410.98 and 26,912.00 is: 37,138.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,572.80 : 68,410.98 = 26,912.00 : x
  2. Step 2: Convert to fraction form
    49,572.80/68,410.98 = 26,912.00/x
  3. Step 3: Cross multiply
    49,572.80x = 68,410.98 × 26,912.00
  4. Step 4: Simplify right side
    49,572.80x = 1,841,075,951.71
  5. Step 5: Solve for x
    x = 1,841,075,951.71/49,572.80
  6. Step 6: Final answer
    x = 37,138.84

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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.