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Finding the Fourth Proportional to 2,083.76, 3,125.52 and 622.94

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Solution

The fourth proportional to 2,083.76, 3,125.52 and 622.94 is: 934.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,083.76 : 3,125.52 = 622.94 : x
  2. Step 2: Convert to fraction form
    2,083.76/3,125.52 = 622.94/x
  3. Step 3: Cross multiply
    2,083.76x = 3,125.52 × 622.94
  4. Step 4: Simplify right side
    2,083.76x = 1,947,011.43
  5. Step 5: Solve for x
    x = 1,947,011.43/2,083.76
  6. Step 6: Final answer
    x = 934.37

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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.