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Finding the Fourth Proportional to 22,424.64, 33,636.96 and 22,392.24

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Solution

The fourth proportional to 22,424.64, 33,636.96 and 22,392.24 is: 33,588.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,424.64 : 33,636.96 = 22,392.24 : x
  2. Step 2: Convert to fraction form
    22,424.64/33,636.96 = 22,392.24/x
  3. Step 3: Cross multiply
    22,424.64x = 33,636.96 × 22,392.24
  4. Step 4: Simplify right side
    22,424.64x = 753,206,881.19
  5. Step 5: Solve for x
    x = 753,206,881.19/22,424.64
  6. Step 6: Final answer
    x = 33,588.36

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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.