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Finding the Fourth Proportional to 8,603.52, 11,874.93 and 5,778.84

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Solution

The fourth proportional to 8,603.52, 11,874.93 and 5,778.84 is: 7,976.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,603.52 : 11,874.93 = 5,778.84 : x
  2. Step 2: Convert to fraction form
    8,603.52/11,874.93 = 5,778.84/x
  3. Step 3: Cross multiply
    8,603.52x = 11,874.93 × 5,778.84
  4. Step 4: Simplify right side
    8,603.52x = 68,623,320.48
  5. Step 5: Solve for x
    x = 68,623,320.48/8,603.52
  6. Step 6: Final answer
    x = 7,976.19

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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.