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Finding the Fourth Proportional to 3,519.74, 5,285.07 and 3,363.92

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Solution

The fourth proportional to 3,519.74, 5,285.07 and 3,363.92 is: 5,051.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,519.74 : 5,285.07 = 3,363.92 : x
  2. Step 2: Convert to fraction form
    3,519.74/5,285.07 = 3,363.92/x
  3. Step 3: Cross multiply
    3,519.74x = 5,285.07 × 3,363.92
  4. Step 4: Simplify right side
    3,519.74x = 17,778,526.25
  5. Step 5: Solve for x
    x = 17,778,526.25/3,519.74
  6. Step 6: Final answer
    x = 5,051.10

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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.