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Finding the Fourth Proportional to 7,157.46, 10,736.46 and 1,963.35

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Solution

The fourth proportional to 7,157.46, 10,736.46 and 1,963.35 is: 2,945.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,157.46 : 10,736.46 = 1,963.35 : x
  2. Step 2: Convert to fraction form
    7,157.46/10,736.46 = 1,963.35/x
  3. Step 3: Cross multiply
    7,157.46x = 10,736.46 × 1,963.35
  4. Step 4: Simplify right side
    7,157.46x = 21,079,428.74
  5. Step 5: Solve for x
    x = 21,079,428.74/7,157.46
  6. Step 6: Final answer
    x = 2,945.10

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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.