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Finding the Fourth Proportional to 29,926.72, 44,885.76 and 9,144.64

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Solution

The fourth proportional to 29,926.72, 44,885.76 and 9,144.64 is: 13,715.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,926.72 : 44,885.76 = 9,144.64 : x
  2. Step 2: Convert to fraction form
    29,926.72/44,885.76 = 9,144.64/x
  3. Step 3: Cross multiply
    29,926.72x = 44,885.76 × 9,144.64
  4. Step 4: Simplify right side
    29,926.72x = 410,464,116.33
  5. Step 5: Solve for x
    x = 410,464,116.33/29,926.72
  6. Step 6: Final answer
    x = 13,715.64

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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.