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Finding the Fourth Proportional to 2,062.99, 2,847.02 and 1,178.86

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Solution

The fourth proportional to 2,062.99, 2,847.02 and 1,178.86 is: 1,626.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,062.99 : 2,847.02 = 1,178.86 : x
  2. Step 2: Convert to fraction form
    2,062.99/2,847.02 = 1,178.86/x
  3. Step 3: Cross multiply
    2,062.99x = 2,847.02 × 1,178.86
  4. Step 4: Simplify right side
    2,062.99x = 3,356,238.00
  5. Step 5: Solve for x
    x = 3,356,238.00/2,062.99
  6. Step 6: Final answer
    x = 1,626.88

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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.