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Finding the Fourth Proportional to 2,486.84, 3,730.96 and 2,028.96

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Solution

The fourth proportional to 2,486.84, 3,730.96 and 2,028.96 is: 3,044.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,486.84 : 3,730.96 = 2,028.96 : x
  2. Step 2: Convert to fraction form
    2,486.84/3,730.96 = 2,028.96/x
  3. Step 3: Cross multiply
    2,486.84x = 3,730.96 × 2,028.96
  4. Step 4: Simplify right side
    2,486.84x = 7,569,968.60
  5. Step 5: Solve for x
    x = 7,569,968.60/2,486.84
  6. Step 6: Final answer
    x = 3,044.01

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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.