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Finding the Fourth Proportional to 29,943.86, 44,915.02 and 7,756.44

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Solution

The fourth proportional to 29,943.86, 44,915.02 and 7,756.44 is: 11,634.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,943.86 : 44,915.02 = 7,756.44 : x
  2. Step 2: Convert to fraction form
    29,943.86/44,915.02 = 7,756.44/x
  3. Step 3: Cross multiply
    29,943.86x = 44,915.02 × 7,756.44
  4. Step 4: Simplify right side
    29,943.86x = 348,380,657.73
  5. Step 5: Solve for x
    x = 348,380,657.73/29,943.86
  6. Step 6: Final answer
    x = 11,634.46

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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.