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Finding the Fourth Proportional to 2,009.84, 3,013.68 and 622.58

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Solution

The fourth proportional to 2,009.84, 3,013.68 and 622.58 is: 933.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,009.84 : 3,013.68 = 622.58 : x
  2. Step 2: Convert to fraction form
    2,009.84/3,013.68 = 622.58/x
  3. Step 3: Cross multiply
    2,009.84x = 3,013.68 × 622.58
  4. Step 4: Simplify right side
    2,009.84x = 1,876,256.89
  5. Step 5: Solve for x
    x = 1,876,256.89/2,009.84
  6. Step 6: Final answer
    x = 933.54

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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.