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Finding the Fourth Proportional to 21,996.35, 32,994.18 and 5,356.35

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Solution

The fourth proportional to 21,996.35, 32,994.18 and 5,356.35 is: 8,034.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,996.35 : 32,994.18 = 5,356.35 : x
  2. Step 2: Convert to fraction form
    21,996.35/32,994.18 = 5,356.35/x
  3. Step 3: Cross multiply
    21,996.35x = 32,994.18 × 5,356.35
  4. Step 4: Simplify right side
    21,996.35x = 176,728,349.26
  5. Step 5: Solve for x
    x = 176,728,349.26/21,996.35
  6. Step 6: Final answer
    x = 8,034.44

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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.