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Finding the Fourth Proportional to 4,927.55, 7,393.37 and 2,956.97

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Solution

The fourth proportional to 4,927.55, 7,393.37 and 2,956.97 is: 4,436.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,927.55 : 7,393.37 = 2,956.97 : x
  2. Step 2: Convert to fraction form
    4,927.55/7,393.37 = 2,956.97/x
  3. Step 3: Cross multiply
    4,927.55x = 7,393.37 × 2,956.97
  4. Step 4: Simplify right side
    4,927.55x = 21,861,999.16
  5. Step 5: Solve for x
    x = 21,861,999.16/4,927.55
  6. Step 6: Final answer
    x = 4,436.69

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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.