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Finding the Fourth Proportional to 8,713.93, 13,064.19 and 4,327.99

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Solution

The fourth proportional to 8,713.93, 13,064.19 and 4,327.99 is: 6,488.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,713.93 : 13,064.19 = 4,327.99 : x
  2. Step 2: Convert to fraction form
    8,713.93/13,064.19 = 4,327.99/x
  3. Step 3: Cross multiply
    8,713.93x = 13,064.19 × 4,327.99
  4. Step 4: Simplify right side
    8,713.93x = 56,541,683.68
  5. Step 5: Solve for x
    x = 56,541,683.68/8,713.93
  6. Step 6: Final answer
    x = 6,488.65

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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.