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Finding the Fourth Proportional to 33,261, 49,899.72 and 9,887.34

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Solution

The fourth proportional to 33,261, 49,899.72 and 9,887.34 is: 14,833.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,261 : 49,899.72 = 9,887.34 : x
  2. Step 2: Convert to fraction form
    33,261/49,899.72 = 9,887.34/x
  3. Step 3: Cross multiply
    33,261x = 49,899.72 × 9,887.34
  4. Step 4: Simplify right side
    33,261x = 493,375,497.54
  5. Step 5: Solve for x
    x = 493,375,497.54/33,261
  6. Step 6: Final answer
    x = 14,833.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.