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Finding the Fourth Proportional to 22,412.96, 33,609.71 and 7,617.90

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Solution

The fourth proportional to 22,412.96, 33,609.71 and 7,617.90 is: 11,423.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,412.96 : 33,609.71 = 7,617.90 : x
  2. Step 2: Convert to fraction form
    22,412.96/33,609.71 = 7,617.90/x
  3. Step 3: Cross multiply
    22,412.96x = 33,609.71 × 7,617.90
  4. Step 4: Simplify right side
    22,412.96x = 256,035,409.81
  5. Step 5: Solve for x
    x = 256,035,409.81/22,412.96
  6. Step 6: Final answer
    x = 11,423.55

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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.