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Finding the Fourth Proportional to 3,474.84, 4,800.66 and 2,914.32

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Solution

The fourth proportional to 3,474.84, 4,800.66 and 2,914.32 is: 4,026.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,474.84 : 4,800.66 = 2,914.32 : x
  2. Step 2: Convert to fraction form
    3,474.84/4,800.66 = 2,914.32/x
  3. Step 3: Cross multiply
    3,474.84x = 4,800.66 × 2,914.32
  4. Step 4: Simplify right side
    3,474.84x = 13,990,659.45
  5. Step 5: Solve for x
    x = 13,990,659.45/3,474.84
  6. Step 6: Final answer
    x = 4,026.27

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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.