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Finding the Fourth Proportional to 3,560.96, 5,341.80 and 964.16

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Solution

The fourth proportional to 3,560.96, 5,341.80 and 964.16 is: 1,446.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,560.96 : 5,341.80 = 964.16 : x
  2. Step 2: Convert to fraction form
    3,560.96/5,341.80 = 964.16/x
  3. Step 3: Cross multiply
    3,560.96x = 5,341.80 × 964.16
  4. Step 4: Simplify right side
    3,560.96x = 5,150,349.89
  5. Step 5: Solve for x
    x = 5,150,349.89/3,560.96
  6. Step 6: Final answer
    x = 1,446.34

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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.