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Finding the Fourth Proportional to 8,269.93, 12,404.49 and 3,587.59

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Solution

The fourth proportional to 8,269.93, 12,404.49 and 3,587.59 is: 5,381.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,269.93 : 12,404.49 = 3,587.59 : x
  2. Step 2: Convert to fraction form
    8,269.93/12,404.49 = 3,587.59/x
  3. Step 3: Cross multiply
    8,269.93x = 12,404.49 × 3,587.59
  4. Step 4: Simplify right side
    8,269.93x = 44,502,224.28
  5. Step 5: Solve for x
    x = 44,502,224.28/8,269.93
  6. Step 6: Final answer
    x = 5,381.21

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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.