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Finding the Fourth Proportional to 8,057.00, 12,020.08 and 7,621.04

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Solution

The fourth proportional to 8,057.00, 12,020.08 and 7,621.04 is: 11,369.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,057.00 : 12,020.08 = 7,621.04 : x
  2. Step 2: Convert to fraction form
    8,057.00/12,020.08 = 7,621.04/x
  3. Step 3: Cross multiply
    8,057.00x = 12,020.08 × 7,621.04
  4. Step 4: Simplify right side
    8,057.00x = 91,605,468.16
  5. Step 5: Solve for x
    x = 91,605,468.16/8,057.00
  6. Step 6: Final answer
    x = 11,369.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.