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Finding the Fourth Proportional to 6,956.03, 10,407.89 and 4,880.09

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Solution

The fourth proportional to 6,956.03, 10,407.89 and 4,880.09 is: 7,301.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,956.03 : 10,407.89 = 4,880.09 : x
  2. Step 2: Convert to fraction form
    6,956.03/10,407.89 = 4,880.09/x
  3. Step 3: Cross multiply
    6,956.03x = 10,407.89 × 4,880.09
  4. Step 4: Simplify right side
    6,956.03x = 50,791,439.91
  5. Step 5: Solve for x
    x = 50,791,439.91/6,956.03
  6. Step 6: Final answer
    x = 7,301.79

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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.