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Finding the Fourth Proportional to 3,805.76, 5,708.57 and 1,466.27

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Solution

The fourth proportional to 3,805.76, 5,708.57 and 1,466.27 is: 2,199.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,805.76 : 5,708.57 = 1,466.27 : x
  2. Step 2: Convert to fraction form
    3,805.76/5,708.57 = 1,466.27/x
  3. Step 3: Cross multiply
    3,805.76x = 5,708.57 × 1,466.27
  4. Step 4: Simplify right side
    3,805.76x = 8,370,293.22
  5. Step 5: Solve for x
    x = 8,370,293.22/3,805.76
  6. Step 6: Final answer
    x = 2,199.38

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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.