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Finding the Fourth Proportional to 4,709.99, 6,499.04 and 2,720.18

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Solution

The fourth proportional to 4,709.99, 6,499.04 and 2,720.18 is: 3,753.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,709.99 : 6,499.04 = 2,720.18 : x
  2. Step 2: Convert to fraction form
    4,709.99/6,499.04 = 2,720.18/x
  3. Step 3: Cross multiply
    4,709.99x = 6,499.04 × 2,720.18
  4. Step 4: Simplify right side
    4,709.99x = 17,678,561.27
  5. Step 5: Solve for x
    x = 17,678,561.27/4,709.99
  6. Step 6: Final answer
    x = 3,753.42

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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.