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Finding the Fourth Proportional to 3,566.42, 5,349.48 and 933.88

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Solution

The fourth proportional to 3,566.42, 5,349.48 and 933.88 is: 1,400.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,566.42 : 5,349.48 = 933.88 : x
  2. Step 2: Convert to fraction form
    3,566.42/5,349.48 = 933.88/x
  3. Step 3: Cross multiply
    3,566.42x = 5,349.48 × 933.88
  4. Step 4: Simplify right side
    3,566.42x = 4,995,772.38
  5. Step 5: Solve for x
    x = 4,995,772.38/3,566.42
  6. Step 6: Final answer
    x = 1,400.78

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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.