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Finding the Fourth Proportional to 38,699.97, 58,048.73 and 10,997.97

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Solution

The fourth proportional to 38,699.97, 58,048.73 and 10,997.97 is: 16,496.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,699.97 : 58,048.73 = 10,997.97 : x
  2. Step 2: Convert to fraction form
    38,699.97/58,048.73 = 10,997.97/x
  3. Step 3: Cross multiply
    38,699.97x = 58,048.73 × 10,997.97
  4. Step 4: Simplify right side
    38,699.97x = 638,418,191.08
  5. Step 5: Solve for x
    x = 638,418,191.08/38,699.97
  6. Step 6: Final answer
    x = 16,496.61

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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.