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Finding the Fourth Proportional to 29,728.77, 44,588.41 and 8,663.88

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Solution

The fourth proportional to 29,728.77, 44,588.41 and 8,663.88 is: 12,994.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,728.77 : 44,588.41 = 8,663.88 : x
  2. Step 2: Convert to fraction form
    29,728.77/44,588.41 = 8,663.88/x
  3. Step 3: Cross multiply
    29,728.77x = 44,588.41 × 8,663.88
  4. Step 4: Simplify right side
    29,728.77x = 386,308,701.78
  5. Step 5: Solve for x
    x = 386,308,701.78/29,728.77
  6. Step 6: Final answer
    x = 12,994.44

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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.