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Finding the Fourth Proportional to 29,936.70, 44,901.45 and 12,404.70

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Solution

The fourth proportional to 29,936.70, 44,901.45 and 12,404.70 is: 18,605.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,936.70 : 44,901.45 = 12,404.70 : x
  2. Step 2: Convert to fraction form
    29,936.70/44,901.45 = 12,404.70/x
  3. Step 3: Cross multiply
    29,936.70x = 44,901.45 × 12,404.70
  4. Step 4: Simplify right side
    29,936.70x = 556,989,016.82
  5. Step 5: Solve for x
    x = 556,989,016.82/29,936.70
  6. Step 6: Final answer
    x = 18,605.56

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1.5x scale

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.