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Finding the Fourth Proportional to 2,997.84, 4,494.52 and 2,070.76

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Solution

The fourth proportional to 2,997.84, 4,494.52 and 2,070.76 is: 3,104.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,997.84 : 4,494.52 = 2,070.76 : x
  2. Step 2: Convert to fraction form
    2,997.84/4,494.52 = 2,070.76/x
  3. Step 3: Cross multiply
    2,997.84x = 4,494.52 × 2,070.76
  4. Step 4: Simplify right side
    2,997.84x = 9,307,072.24
  5. Step 5: Solve for x
    x = 9,307,072.24/2,997.84
  6. Step 6: Final answer
    x = 3,104.59

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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.