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Finding the Fourth Proportional to 35,694.84, 49,243.17 and 21,346.77

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Solution

The fourth proportional to 35,694.84, 49,243.17 and 21,346.77 is: 29,449.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,694.84 : 49,243.17 = 21,346.77 : x
  2. Step 2: Convert to fraction form
    35,694.84/49,243.17 = 21,346.77/x
  3. Step 3: Cross multiply
    35,694.84x = 49,243.17 × 21,346.77
  4. Step 4: Simplify right side
    35,694.84x = 1,051,182,624.06
  5. Step 5: Solve for x
    x = 1,051,182,624.06/35,694.84
  6. Step 6: Final answer
    x = 29,449.15

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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.