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Finding the Fourth Proportional to 22,609.16, 33,918.74 and 7,617.02

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Solution

The fourth proportional to 22,609.16, 33,918.74 and 7,617.02 is: 11,427.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,609.16 : 33,918.74 = 7,617.02 : x
  2. Step 2: Convert to fraction form
    22,609.16/33,918.74 = 7,617.02/x
  3. Step 3: Cross multiply
    22,609.16x = 33,918.74 × 7,617.02
  4. Step 4: Simplify right side
    22,609.16x = 258,359,513.28
  5. Step 5: Solve for x
    x = 258,359,513.28/22,609.16
  6. Step 6: Final answer
    x = 11,427.21

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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.