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Finding the Fourth Proportional to 7,160.64, 10,744.32 and 4,244.64

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Solution

The fourth proportional to 7,160.64, 10,744.32 and 4,244.64 is: 6,368.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,160.64 : 10,744.32 = 4,244.64 : x
  2. Step 2: Convert to fraction form
    7,160.64/10,744.32 = 4,244.64/x
  3. Step 3: Cross multiply
    7,160.64x = 10,744.32 × 4,244.64
  4. Step 4: Simplify right side
    7,160.64x = 45,605,770.44
  5. Step 5: Solve for x
    x = 45,605,770.44/7,160.64
  6. Step 6: Final answer
    x = 6,368.95

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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.