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Finding the Fourth Proportional to 3,574.48, 5,361.72 and 2,349.64

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Solution

The fourth proportional to 3,574.48, 5,361.72 and 2,349.64 is: 3,524.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,574.48 : 5,361.72 = 2,349.64 : x
  2. Step 2: Convert to fraction form
    3,574.48/5,361.72 = 2,349.64/x
  3. Step 3: Cross multiply
    3,574.48x = 5,361.72 × 2,349.64
  4. Step 4: Simplify right side
    3,574.48x = 12,598,111.78
  5. Step 5: Solve for x
    x = 12,598,111.78/3,574.48
  6. Step 6: Final answer
    x = 3,524.46

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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.