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Finding the Fourth Proportional to 22,429.32, 33,643.98 and 6,633.12

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Solution

The fourth proportional to 22,429.32, 33,643.98 and 6,633.12 is: 9,949.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,429.32 : 33,643.98 = 6,633.12 : x
  2. Step 2: Convert to fraction form
    22,429.32/33,643.98 = 6,633.12/x
  3. Step 3: Cross multiply
    22,429.32x = 33,643.98 × 6,633.12
  4. Step 4: Simplify right side
    22,429.32x = 223,164,615.26
  5. Step 5: Solve for x
    x = 223,164,615.26/22,429.32
  6. Step 6: Final answer
    x = 9,949.68

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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.