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Finding the Fourth Proportional to 8,015.76, 11,994.48 and 6,616.08

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Solution

The fourth proportional to 8,015.76, 11,994.48 and 6,616.08 is: 9,900.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,015.76 : 11,994.48 = 6,616.08 : x
  2. Step 2: Convert to fraction form
    8,015.76/11,994.48 = 6,616.08/x
  3. Step 3: Cross multiply
    8,015.76x = 11,994.48 × 6,616.08
  4. Step 4: Simplify right side
    8,015.76x = 79,356,439.24
  5. Step 5: Solve for x
    x = 79,356,439.24/8,015.76
  6. Step 6: Final answer
    x = 9,900.05

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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.