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Finding the Fourth Proportional to 49,857.75, 68,803.70 and 27,501.75

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Solution

The fourth proportional to 49,857.75, 68,803.70 and 27,501.75 is: 37,952.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,857.75 : 68,803.70 = 27,501.75 : x
  2. Step 2: Convert to fraction form
    49,857.75/68,803.70 = 27,501.75/x
  3. Step 3: Cross multiply
    49,857.75x = 68,803.70 × 27,501.75
  4. Step 4: Simplify right side
    49,857.75x = 1,892,222,156.48
  5. Step 5: Solve for x
    x = 1,892,222,156.48/49,857.75
  6. Step 6: Final answer
    x = 37,952.42

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1.5x scale

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.