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Finding the Fourth Proportional to 35,610.40, 49,142.04 and 19,694.68

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Solution

The fourth proportional to 35,610.40, 49,142.04 and 19,694.68 is: 27,178.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,610.40 : 49,142.04 = 19,694.68 : x
  2. Step 2: Convert to fraction form
    35,610.40/49,142.04 = 19,694.68/x
  3. Step 3: Cross multiply
    35,610.40x = 49,142.04 × 19,694.68
  4. Step 4: Simplify right side
    35,610.40x = 967,836,752.35
  5. Step 5: Solve for x
    x = 967,836,752.35/35,610.40
  6. Step 6: Final answer
    x = 27,178.49

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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.