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Finding the Fourth Proportional to 5,847.76, 8,756.67 and 3,867.32

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Solution

The fourth proportional to 5,847.76, 8,756.67 and 3,867.32 is: 5,791.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,847.76 : 8,756.67 = 3,867.32 : x
  2. Step 2: Convert to fraction form
    5,847.76/8,756.67 = 3,867.32/x
  3. Step 3: Cross multiply
    5,847.76x = 8,756.67 × 3,867.32
  4. Step 4: Simplify right side
    5,847.76x = 33,864,840.48
  5. Step 5: Solve for x
    x = 33,864,840.48/5,847.76
  6. Step 6: Final answer
    x = 5,791.08

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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.