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Finding the Fourth Proportional to 8,859.93, 13,294.53 and 5,739.13

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Solution

The fourth proportional to 8,859.93, 13,294.53 and 5,739.13 is: 8,611.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,859.93 : 13,294.53 = 5,739.13 : x
  2. Step 2: Convert to fraction form
    8,859.93/13,294.53 = 5,739.13/x
  3. Step 3: Cross multiply
    8,859.93x = 13,294.53 × 5,739.13
  4. Step 4: Simplify right side
    8,859.93x = 76,299,015.19
  5. Step 5: Solve for x
    x = 76,299,015.19/8,859.93
  6. Step 6: Final answer
    x = 8,611.69

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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.