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Finding the Fourth Proportional to 10,630.62, 14,669.91 and 5,915.34

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Solution

The fourth proportional to 10,630.62, 14,669.91 and 5,915.34 is: 8,162.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,630.62 : 14,669.91 = 5,915.34 : x
  2. Step 2: Convert to fraction form
    10,630.62/14,669.91 = 5,915.34/x
  3. Step 3: Cross multiply
    10,630.62x = 14,669.91 × 5,915.34
  4. Step 4: Simplify right side
    10,630.62x = 86,777,505.42
  5. Step 5: Solve for x
    x = 86,777,505.42/10,630.62
  6. Step 6: Final answer
    x = 8,162.98

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.