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Finding the Fourth Proportional to 8,775.86, 12,110.87 and 4,797.23

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Solution

The fourth proportional to 8,775.86, 12,110.87 and 4,797.23 is: 6,620.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,775.86 : 12,110.87 = 4,797.23 : x
  2. Step 2: Convert to fraction form
    8,775.86/12,110.87 = 4,797.23/x
  3. Step 3: Cross multiply
    8,775.86x = 12,110.87 × 4,797.23
  4. Step 4: Simplify right side
    8,775.86x = 58,098,544.35
  5. Step 5: Solve for x
    x = 58,098,544.35/8,775.86
  6. Step 6: Final answer
    x = 6,620.27

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Double scale
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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.