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Finding the Fourth Proportional to 7,858.58, 11,793.26 and 2,932.16

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Solution

The fourth proportional to 7,858.58, 11,793.26 and 2,932.16 is: 4,400.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,858.58 : 11,793.26 = 2,932.16 : x
  2. Step 2: Convert to fraction form
    7,858.58/11,793.26 = 2,932.16/x
  3. Step 3: Cross multiply
    7,858.58x = 11,793.26 × 2,932.16
  4. Step 4: Simplify right side
    7,858.58x = 34,579,725.24
  5. Step 5: Solve for x
    x = 34,579,725.24/7,858.58
  6. Step 6: Final answer
    x = 4,400.25

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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.