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Finding the Fourth Proportional to 15,122.10, 22,683.15 and 11,234.10

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Solution

The fourth proportional to 15,122.10, 22,683.15 and 11,234.10 is: 16,851.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,122.10 : 22,683.15 = 11,234.10 : x
  2. Step 2: Convert to fraction form
    15,122.10/22,683.15 = 11,234.10/x
  3. Step 3: Cross multiply
    15,122.10x = 22,683.15 × 11,234.10
  4. Step 4: Simplify right side
    15,122.10x = 254,824,775.42
  5. Step 5: Solve for x
    x = 254,824,775.42/15,122.10
  6. Step 6: Final answer
    x = 16,851.15

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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.