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Finding the Fourth Proportional to 21,797.82, 32,697.03 and 6,215.45

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Solution

The fourth proportional to 21,797.82, 32,697.03 and 6,215.45 is: 9,323.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,797.82 : 32,697.03 = 6,215.45 : x
  2. Step 2: Convert to fraction form
    21,797.82/32,697.03 = 6,215.45/x
  3. Step 3: Cross multiply
    21,797.82x = 32,697.03 × 6,215.45
  4. Step 4: Simplify right side
    21,797.82x = 203,226,591.63
  5. Step 5: Solve for x
    x = 203,226,591.63/21,797.82
  6. Step 6: Final answer
    x = 9,323.25

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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.