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Finding the Fourth Proportional to 21,996.68, 32,995.04 and 5,356.58

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Solution

The fourth proportional to 21,996.68, 32,995.04 and 5,356.58 is: 8,034.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,996.68 : 32,995.04 = 5,356.58 : x
  2. Step 2: Convert to fraction form
    21,996.68/32,995.04 = 5,356.58/x
  3. Step 3: Cross multiply
    21,996.68x = 32,995.04 × 5,356.58
  4. Step 4: Simplify right side
    21,996.68x = 176,740,571.36
  5. Step 5: Solve for x
    x = 176,740,571.36/21,996.68
  6. Step 6: Final answer
    x = 8,034.87

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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.