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Finding the Fourth Proportional to 7,846.32, 10,832.99 and 4,865.31

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Solution

The fourth proportional to 7,846.32, 10,832.99 and 4,865.31 is: 6,717.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,846.32 : 10,832.99 = 4,865.31 : x
  2. Step 2: Convert to fraction form
    7,846.32/10,832.99 = 4,865.31/x
  3. Step 3: Cross multiply
    7,846.32x = 10,832.99 × 4,865.31
  4. Step 4: Simplify right side
    7,846.32x = 52,705,854.58
  5. Step 5: Solve for x
    x = 52,705,854.58/7,846.32
  6. Step 6: Final answer
    x = 6,717.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.