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Finding the Fourth Proportional to 35,874.90, 49,505.04 and 19,958.94

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Solution

The fourth proportional to 35,874.90, 49,505.04 and 19,958.94 is: 27,542.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,874.90 : 49,505.04 = 19,958.94 : x
  2. Step 2: Convert to fraction form
    35,874.90/49,505.04 = 19,958.94/x
  3. Step 3: Cross multiply
    35,874.90x = 49,505.04 × 19,958.94
  4. Step 4: Simplify right side
    35,874.90x = 988,068,123.06
  5. Step 5: Solve for x
    x = 988,068,123.06/35,874.90
  6. Step 6: Final answer
    x = 27,542.05

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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.