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Finding the Fourth Proportional to 7,927.88, 11,891.60 and 4,601.08

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Solution

The fourth proportional to 7,927.88, 11,891.60 and 4,601.08 is: 6,901.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,927.88 : 11,891.60 = 4,601.08 : x
  2. Step 2: Convert to fraction form
    7,927.88/11,891.60 = 4,601.08/x
  3. Step 3: Cross multiply
    7,927.88x = 11,891.60 × 4,601.08
  4. Step 4: Simplify right side
    7,927.88x = 54,714,202.93
  5. Step 5: Solve for x
    x = 54,714,202.93/7,927.88
  6. Step 6: Final answer
    x = 6,901.49

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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.