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Finding the Fourth Proportional to 5,721.41, 8,624.99 and 5,340.39

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Solution

The fourth proportional to 5,721.41, 8,624.99 and 5,340.39 is: 8,050.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,721.41 : 8,624.99 = 5,340.39 : x
  2. Step 2: Convert to fraction form
    5,721.41/8,624.99 = 5,340.39/x
  3. Step 3: Cross multiply
    5,721.41x = 8,624.99 × 5,340.39
  4. Step 4: Simplify right side
    5,721.41x = 46,060,783.64
  5. Step 5: Solve for x
    x = 46,060,783.64/5,721.41
  6. Step 6: Final answer
    x = 8,050.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.