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Finding the Fourth Proportional to 2,006.85, 3,010.88 and 837.42

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Solution

The fourth proportional to 2,006.85, 3,010.88 and 837.42 is: 1,256.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,006.85 : 3,010.88 = 837.42 : x
  2. Step 2: Convert to fraction form
    2,006.85/3,010.88 = 837.42/x
  3. Step 3: Cross multiply
    2,006.85x = 3,010.88 × 837.42
  4. Step 4: Simplify right side
    2,006.85x = 2,521,371.13
  5. Step 5: Solve for x
    x = 2,521,371.13/2,006.85
  6. Step 6: Final answer
    x = 1,256.38

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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.