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Finding the Fourth Proportional to 36,758.12, 50,737.76 and 21,649.76

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Solution

The fourth proportional to 36,758.12, 50,737.76 and 21,649.76 is: 29,883.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,758.12 : 50,737.76 = 21,649.76 : x
  2. Step 2: Convert to fraction form
    36,758.12/50,737.76 = 21,649.76/x
  3. Step 3: Cross multiply
    36,758.12x = 50,737.76 × 21,649.76
  4. Step 4: Simplify right side
    36,758.12x = 1,098,460,326.94
  5. Step 5: Solve for x
    x = 1,098,460,326.94/36,758.12
  6. Step 6: Final answer
    x = 29,883.47

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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.