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Finding the Fourth Proportional to 8,259.81, 11,398.89 and 4,723.02

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Solution

The fourth proportional to 8,259.81, 11,398.89 and 4,723.02 is: 6,517.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,259.81 : 11,398.89 = 4,723.02 : x
  2. Step 2: Convert to fraction form
    8,259.81/11,398.89 = 4,723.02/x
  3. Step 3: Cross multiply
    8,259.81x = 11,398.89 × 4,723.02
  4. Step 4: Simplify right side
    8,259.81x = 53,837,185.45
  5. Step 5: Solve for x
    x = 53,837,185.45/8,259.81
  6. Step 6: Final answer
    x = 6,517.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.