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Finding the Fourth Proportional to 29,994.60, 44,976.81 and 9,997.02

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Solution

The fourth proportional to 29,994.60, 44,976.81 and 9,997.02 is: 14,990.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,994.60 : 44,976.81 = 9,997.02 : x
  2. Step 2: Convert to fraction form
    29,994.60/44,976.81 = 9,997.02/x
  3. Step 3: Cross multiply
    29,994.60x = 44,976.81 × 9,997.02
  4. Step 4: Simplify right side
    29,994.60x = 449,634,069.11
  5. Step 5: Solve for x
    x = 449,634,069.11/29,994.60
  6. Step 6: Final answer
    x = 14,990.50

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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.