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Finding the Fourth Proportional to 5,700.66, 7,866.90 and 3,342.78

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Solution

The fourth proportional to 5,700.66, 7,866.90 and 3,342.78 is: 4,613.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,700.66 : 7,866.90 = 3,342.78 : x
  2. Step 2: Convert to fraction form
    5,700.66/7,866.90 = 3,342.78/x
  3. Step 3: Cross multiply
    5,700.66x = 7,866.90 × 3,342.78
  4. Step 4: Simplify right side
    5,700.66x = 26,297,315.98
  5. Step 5: Solve for x
    x = 26,297,315.98/5,700.66
  6. Step 6: Final answer
    x = 4,613.03

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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.