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Finding the Fourth Proportional to 29,968.28, 44,980.02 and 15,187.53

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Solution

The fourth proportional to 29,968.28, 44,980.02 and 15,187.53 is: 22,795.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,968.28 : 44,980.02 = 15,187.53 : x
  2. Step 2: Convert to fraction form
    29,968.28/44,980.02 = 15,187.53/x
  3. Step 3: Cross multiply
    29,968.28x = 44,980.02 × 15,187.53
  4. Step 4: Simplify right side
    29,968.28x = 683,135,403.15
  5. Step 5: Solve for x
    x = 683,135,403.15/29,968.28
  6. Step 6: Final answer
    x = 22,795.29

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Why These Related Problems?

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