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Finding the Fourth Proportional to 35,959.70, 49,623.90 and 20,044.82

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Solution

The fourth proportional to 35,959.70, 49,623.90 and 20,044.82 is: 27,661.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,959.70 : 49,623.90 = 20,044.82 : x
  2. Step 2: Convert to fraction form
    35,959.70/49,623.90 = 20,044.82/x
  3. Step 3: Cross multiply
    35,959.70x = 49,623.90 × 20,044.82
  4. Step 4: Simplify right side
    35,959.70x = 994,702,143.20
  5. Step 5: Solve for x
    x = 994,702,143.20/35,959.70
  6. Step 6: Final answer
    x = 27,661.58

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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.