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Finding the Fourth Proportional to 4,482.87, 6,719.36 and 3,255.63

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Solution

The fourth proportional to 4,482.87, 6,719.36 and 3,255.63 is: 4,879.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,482.87 : 6,719.36 = 3,255.63 : x
  2. Step 2: Convert to fraction form
    4,482.87/6,719.36 = 3,255.63/x
  3. Step 3: Cross multiply
    4,482.87x = 6,719.36 × 3,255.63
  4. Step 4: Simplify right side
    4,482.87x = 21,875,733.72
  5. Step 5: Solve for x
    x = 21,875,733.72/4,482.87
  6. Step 6: Final answer
    x = 4,879.85

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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.