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Finding the Fourth Proportional to 15,611.63, 23,417.46 and 6,377.63

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Solution

The fourth proportional to 15,611.63, 23,417.46 and 6,377.63 is: 9,566.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,611.63 : 23,417.46 = 6,377.63 : x
  2. Step 2: Convert to fraction form
    15,611.63/23,417.46 = 6,377.63/x
  3. Step 3: Cross multiply
    15,611.63x = 23,417.46 × 6,377.63
  4. Step 4: Simplify right side
    15,611.63x = 149,347,778.33
  5. Step 5: Solve for x
    x = 149,347,778.33/15,611.63
  6. Step 6: Final answer
    x = 9,566.45

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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.