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Finding the Fourth Proportional to 4,710.53, 6,499.53 and 2,720.55

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Solution

The fourth proportional to 4,710.53, 6,499.53 and 2,720.55 is: 3,753.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,710.53 : 6,499.53 = 2,720.55 : x
  2. Step 2: Convert to fraction form
    4,710.53/6,499.53 = 2,720.55/x
  3. Step 3: Cross multiply
    4,710.53x = 6,499.53 × 2,720.55
  4. Step 4: Simplify right side
    4,710.53x = 17,682,296.34
  5. Step 5: Solve for x
    x = 17,682,296.34/4,710.53
  6. Step 6: Final answer
    x = 3,753.78

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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.