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Finding the Fourth Proportional to 22,390.42, 33,581.48 and 9,059.92

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Solution

The fourth proportional to 22,390.42, 33,581.48 and 9,059.92 is: 13,588.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,390.42 : 33,581.48 = 9,059.92 : x
  2. Step 2: Convert to fraction form
    22,390.42/33,581.48 = 9,059.92/x
  3. Step 3: Cross multiply
    22,390.42x = 33,581.48 × 9,059.92
  4. Step 4: Simplify right side
    22,390.42x = 304,245,522.28
  5. Step 5: Solve for x
    x = 304,245,522.28/22,390.42
  6. Step 6: Final answer
    x = 13,588.20

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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.