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Finding the Fourth Proportional to 22,419.96, 33,622.98 and 7,424.22

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Solution

The fourth proportional to 22,419.96, 33,622.98 and 7,424.22 is: 11,134.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,419.96 : 33,622.98 = 7,424.22 : x
  2. Step 2: Convert to fraction form
    22,419.96/33,622.98 = 7,424.22/x
  3. Step 3: Cross multiply
    22,419.96x = 33,622.98 × 7,424.22
  4. Step 4: Simplify right side
    22,419.96x = 249,624,400.58
  5. Step 5: Solve for x
    x = 249,624,400.58/22,419.96
  6. Step 6: Final answer
    x = 11,134.03

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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.