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Finding the Fourth Proportional to 22,319.68, 33,484.32 and 6,738.88

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Solution

The fourth proportional to 22,319.68, 33,484.32 and 6,738.88 is: 10,109.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,319.68 : 33,484.32 = 6,738.88 : x
  2. Step 2: Convert to fraction form
    22,319.68/33,484.32 = 6,738.88/x
  3. Step 3: Cross multiply
    22,319.68x = 33,484.32 × 6,738.88
  4. Step 4: Simplify right side
    22,319.68x = 225,646,814.36
  5. Step 5: Solve for x
    x = 225,646,814.36/22,319.68
  6. Step 6: Final answer
    x = 10,109.77

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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.