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Finding the Fourth Proportional to 22,293.30, 33,430.22 and 8,432.58

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Solution

The fourth proportional to 22,293.30, 33,430.22 and 8,432.58 is: 12,645.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,293.30 : 33,430.22 = 8,432.58 : x
  2. Step 2: Convert to fraction form
    22,293.30/33,430.22 = 8,432.58/x
  3. Step 3: Cross multiply
    22,293.30x = 33,430.22 × 8,432.58
  4. Step 4: Simplify right side
    22,293.30x = 281,903,004.57
  5. Step 5: Solve for x
    x = 281,903,004.57/22,293.30
  6. Step 6: Final answer
    x = 12,645.19

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.