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Finding the Fourth Proportional to 23,705.61, 35,562.05 and 8,915.55

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Solution

The fourth proportional to 23,705.61, 35,562.05 and 8,915.55 is: 13,374.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,705.61 : 35,562.05 = 8,915.55 : x
  2. Step 2: Convert to fraction form
    23,705.61/35,562.05 = 8,915.55/x
  3. Step 3: Cross multiply
    23,705.61x = 35,562.05 × 8,915.55
  4. Step 4: Simplify right side
    23,705.61x = 317,055,190.30
  5. Step 5: Solve for x
    x = 317,055,190.30/23,705.61
  6. Step 6: Final answer
    x = 13,374.69

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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.