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Finding the Fourth Proportional to 4,840.94, 7,264.86 and 2,208.80

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Solution

The fourth proportional to 4,840.94, 7,264.86 and 2,208.80 is: 3,314.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,840.94 : 7,264.86 = 2,208.80 : x
  2. Step 2: Convert to fraction form
    4,840.94/7,264.86 = 2,208.80/x
  3. Step 3: Cross multiply
    4,840.94x = 7,264.86 × 2,208.80
  4. Step 4: Simplify right side
    4,840.94x = 16,046,622.77
  5. Step 5: Solve for x
    x = 16,046,622.77/4,840.94
  6. Step 6: Final answer
    x = 3,314.77

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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.