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Finding the Fourth Proportional to 22,446.40, 33,666.90 and 9,297.40

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Solution

The fourth proportional to 22,446.40, 33,666.90 and 9,297.40 is: 13,944.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,446.40 : 33,666.90 = 9,297.40 : x
  2. Step 2: Convert to fraction form
    22,446.40/33,666.90 = 9,297.40/x
  3. Step 3: Cross multiply
    22,446.40x = 33,666.90 × 9,297.40
  4. Step 4: Simplify right side
    22,446.40x = 313,014,636.06
  5. Step 5: Solve for x
    x = 313,014,636.06/22,446.40
  6. Step 6: Final answer
    x = 13,944.98

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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.