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Finding the Fourth Proportional to 4,503.85, 6,215.78 and 2,826.54

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Solution

The fourth proportional to 4,503.85, 6,215.78 and 2,826.54 is: 3,900.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,503.85 : 6,215.78 = 2,826.54 : x
  2. Step 2: Convert to fraction form
    4,503.85/6,215.78 = 2,826.54/x
  3. Step 3: Cross multiply
    4,503.85x = 6,215.78 × 2,826.54
  4. Step 4: Simplify right side
    4,503.85x = 17,569,157.87
  5. Step 5: Solve for x
    x = 17,569,157.87/4,503.85
  6. Step 6: Final answer
    x = 3,900.92

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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.