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Finding the Fourth Proportional to 29,906.70, 44,856.45 and 12,374.70

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Solution

The fourth proportional to 29,906.70, 44,856.45 and 12,374.70 is: 18,560.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,906.70 : 44,856.45 = 12,374.70 : x
  2. Step 2: Convert to fraction form
    29,906.70/44,856.45 = 12,374.70/x
  3. Step 3: Cross multiply
    29,906.70x = 44,856.45 × 12,374.70
  4. Step 4: Simplify right side
    29,906.70x = 555,085,111.82
  5. Step 5: Solve for x
    x = 555,085,111.82/29,906.70
  6. Step 6: Final answer
    x = 18,560.56

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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.