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Finding the Fourth Proportional to 3,520.74, 5,292.48 and 2,835.06

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Solution

The fourth proportional to 3,520.74, 5,292.48 and 2,835.06 is: 4,261.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,520.74 : 5,292.48 = 2,835.06 : x
  2. Step 2: Convert to fraction form
    3,520.74/5,292.48 = 2,835.06/x
  3. Step 3: Cross multiply
    3,520.74x = 5,292.48 × 2,835.06
  4. Step 4: Simplify right side
    3,520.74x = 15,004,498.35
  5. Step 5: Solve for x
    x = 15,004,498.35/3,520.74
  6. Step 6: Final answer
    x = 4,261.75

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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.