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Finding the Fourth Proportional to 3,261.01, 4,500.15 and 1,768.90

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Solution

The fourth proportional to 3,261.01, 4,500.15 and 1,768.90 is: 2,441.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,261.01 : 4,500.15 = 1,768.90 : x
  2. Step 2: Convert to fraction form
    3,261.01/4,500.15 = 1,768.90/x
  3. Step 3: Cross multiply
    3,261.01x = 4,500.15 × 1,768.90
  4. Step 4: Simplify right side
    3,261.01x = 7,960,315.34
  5. Step 5: Solve for x
    x = 7,960,315.34/3,261.01
  6. Step 6: Final answer
    x = 2,441.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.