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Finding the Fourth Proportional to 8,588.91, 11,852.04 and 5,231.34

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Solution

The fourth proportional to 8,588.91, 11,852.04 and 5,231.34 is: 7,218.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,588.91 : 11,852.04 = 5,231.34 : x
  2. Step 2: Convert to fraction form
    8,588.91/11,852.04 = 5,231.34/x
  3. Step 3: Cross multiply
    8,588.91x = 11,852.04 × 5,231.34
  4. Step 4: Simplify right side
    8,588.91x = 62,002,050.93
  5. Step 5: Solve for x
    x = 62,002,050.93/8,588.91
  6. Step 6: Final answer
    x = 7,218.85

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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.