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Finding the Fourth Proportional to 2,026.49, 3,040.74 and 930.62

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Solution

The fourth proportional to 2,026.49, 3,040.74 and 930.62 is: 1,396.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,026.49 : 3,040.74 = 930.62 : x
  2. Step 2: Convert to fraction form
    2,026.49/3,040.74 = 930.62/x
  3. Step 3: Cross multiply
    2,026.49x = 3,040.74 × 930.62
  4. Step 4: Simplify right side
    2,026.49x = 2,829,781.06
  5. Step 5: Solve for x
    x = 2,829,781.06/2,026.49
  6. Step 6: Final answer
    x = 1,396.40

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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.