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Finding the Fourth Proportional to 5,863.76, 8,795.76 and 2,166.32

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Solution

The fourth proportional to 5,863.76, 8,795.76 and 2,166.32 is: 3,249.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,863.76 : 8,795.76 = 2,166.32 : x
  2. Step 2: Convert to fraction form
    5,863.76/8,795.76 = 2,166.32/x
  3. Step 3: Cross multiply
    5,863.76x = 8,795.76 × 2,166.32
  4. Step 4: Simplify right side
    5,863.76x = 19,054,430.80
  5. Step 5: Solve for x
    x = 19,054,430.80/5,863.76
  6. Step 6: Final answer
    x = 3,249.52

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Similar ratio
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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.