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Finding the Fourth Proportional to 2,009.24, 3,013.98 and 622.64

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Solution

The fourth proportional to 2,009.24, 3,013.98 and 622.64 is: 934.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,009.24 : 3,013.98 = 622.64 : x
  2. Step 2: Convert to fraction form
    2,009.24/3,013.98 = 622.64/x
  3. Step 3: Cross multiply
    2,009.24x = 3,013.98 × 622.64
  4. Step 4: Simplify right side
    2,009.24x = 1,876,624.51
  5. Step 5: Solve for x
    x = 1,876,624.51/2,009.24
  6. Step 6: Final answer
    x = 934.00

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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.