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Finding the Fourth Proportional to 2,600.99, 3,901.49 and 752.11

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Solution

The fourth proportional to 2,600.99, 3,901.49 and 752.11 is: 1,128.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,600.99 : 3,901.49 = 752.11 : x
  2. Step 2: Convert to fraction form
    2,600.99/3,901.49 = 752.11/x
  3. Step 3: Cross multiply
    2,600.99x = 3,901.49 × 752.11
  4. Step 4: Simplify right side
    2,600.99x = 2,934,349.64
  5. Step 5: Solve for x
    x = 2,934,349.64/2,600.99
  6. Step 6: Final answer
    x = 1,128.17

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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.