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Finding the Fourth Proportional to 4,994.84, 6,892.22 and 3,005.88

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Solution

The fourth proportional to 4,994.84, 6,892.22 and 3,005.88 is: 4,147.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,994.84 : 6,892.22 = 3,005.88 : x
  2. Step 2: Convert to fraction form
    4,994.84/6,892.22 = 3,005.88/x
  3. Step 3: Cross multiply
    4,994.84x = 6,892.22 × 3,005.88
  4. Step 4: Simplify right side
    4,994.84x = 20,717,186.25
  5. Step 5: Solve for x
    x = 20,717,186.25/4,994.84
  6. Step 6: Final answer
    x = 4,147.72

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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.