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Finding the Fourth Proportional to 8,007.93, 11,990.90 and 5,655.22

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Solution

The fourth proportional to 8,007.93, 11,990.90 and 5,655.22 is: 8,468.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,007.93 : 11,990.90 = 5,655.22 : x
  2. Step 2: Convert to fraction form
    8,007.93/11,990.90 = 5,655.22/x
  3. Step 3: Cross multiply
    8,007.93x = 11,990.90 × 5,655.22
  4. Step 4: Simplify right side
    8,007.93x = 67,811,161.66
  5. Step 5: Solve for x
    x = 67,811,161.66/8,007.93
  6. Step 6: Final answer
    x = 8,468.00

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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.