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Finding the Fourth Proportional to 3,558.03, 5,337.05 and 960.97

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Solution

The fourth proportional to 3,558.03, 5,337.05 and 960.97 is: 1,441.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,558.03 : 5,337.05 = 960.97 : x
  2. Step 2: Convert to fraction form
    3,558.03/5,337.05 = 960.97/x
  3. Step 3: Cross multiply
    3,558.03x = 5,337.05 × 960.97
  4. Step 4: Simplify right side
    3,558.03x = 5,128,740.13
  5. Step 5: Solve for x
    x = 5,128,740.13/3,558.03
  6. Step 6: Final answer
    x = 1,441.46

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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.