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Finding the Fourth Proportional to 8,424.54, 11,625.47 and 4,836.97

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Solution

The fourth proportional to 8,424.54, 11,625.47 and 4,836.97 is: 6,674.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,424.54 : 11,625.47 = 4,836.97 : x
  2. Step 2: Convert to fraction form
    8,424.54/11,625.47 = 4,836.97/x
  3. Step 3: Cross multiply
    8,424.54x = 11,625.47 × 4,836.97
  4. Step 4: Simplify right side
    8,424.54x = 56,232,032.65
  5. Step 5: Solve for x
    x = 56,232,032.65/8,424.54
  6. Step 6: Final answer
    x = 6,674.79

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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.