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Finding the Fourth Proportional to 35,846.88, 49,473.09 and 21,699.69

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Solution

The fourth proportional to 35,846.88, 49,473.09 and 21,699.69 is: 29,948.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,846.88 : 49,473.09 = 21,699.69 : x
  2. Step 2: Convert to fraction form
    35,846.88/49,473.09 = 21,699.69/x
  3. Step 3: Cross multiply
    35,846.88x = 49,473.09 × 21,699.69
  4. Step 4: Simplify right side
    35,846.88x = 1,073,550,716.34
  5. Step 5: Solve for x
    x = 1,073,550,716.34/35,846.88
  6. Step 6: Final answer
    x = 29,948.23

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Double scale
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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.