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Finding the Fourth Proportional to 35,963.70, 49,630.77 and 20,047.74

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Solution

The fourth proportional to 35,963.70, 49,630.77 and 20,047.74 is: 27,666.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,963.70 : 49,630.77 = 20,047.74 : x
  2. Step 2: Convert to fraction form
    35,963.70/49,630.77 = 20,047.74/x
  3. Step 3: Cross multiply
    35,963.70x = 49,630.77 × 20,047.74
  4. Step 4: Simplify right side
    35,963.70x = 994,984,772.96
  5. Step 5: Solve for x
    x = 994,984,772.96/35,963.70
  6. Step 6: Final answer
    x = 27,666.36

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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.