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Finding the Fourth Proportional to 8,758.02, 13,114.08 and 6,994.92

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Solution

The fourth proportional to 8,758.02, 13,114.08 and 6,994.92 is: 10,474.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,758.02 : 13,114.08 = 6,994.92 : x
  2. Step 2: Convert to fraction form
    8,758.02/13,114.08 = 6,994.92/x
  3. Step 3: Cross multiply
    8,758.02x = 13,114.08 × 6,994.92
  4. Step 4: Simplify right side
    8,758.02x = 91,731,940.47
  5. Step 5: Solve for x
    x = 91,731,940.47/8,758.02
  6. Step 6: Final answer
    x = 10,474.05

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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.