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Finding the Fourth Proportional to 29,972.44, 44,964.44 and 11,503

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Solution

The fourth proportional to 29,972.44, 44,964.44 and 11,503 is: 17,256.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,972.44 : 44,964.44 = 11,503 : x
  2. Step 2: Convert to fraction form
    29,972.44/44,964.44 = 11,503/x
  3. Step 3: Cross multiply
    29,972.44x = 44,964.44 × 11,503
  4. Step 4: Simplify right side
    29,972.44x = 517,225,953.32
  5. Step 5: Solve for x
    x = 517,225,953.32/29,972.44
  6. Step 6: Final answer
    x = 17,256.72

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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.