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Finding the Fourth Proportional to 4,297.80, 6,447.60 and 1,700.76

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Solution

The fourth proportional to 4,297.80, 6,447.60 and 1,700.76 is: 2,551.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,297.80 : 6,447.60 = 1,700.76 : x
  2. Step 2: Convert to fraction form
    4,297.80/6,447.60 = 1,700.76/x
  3. Step 3: Cross multiply
    4,297.80x = 6,447.60 × 1,700.76
  4. Step 4: Simplify right side
    4,297.80x = 10,965,820.18
  5. Step 5: Solve for x
    x = 10,965,820.18/4,297.80
  6. Step 6: Final answer
    x = 2,551.50

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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.