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Finding the Fourth Proportional to 4,550.97, 6,815.52 and 3,085.68

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Solution

The fourth proportional to 4,550.97, 6,815.52 and 3,085.68 is: 4,621.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,550.97 : 6,815.52 = 3,085.68 : x
  2. Step 2: Convert to fraction form
    4,550.97/6,815.52 = 3,085.68/x
  3. Step 3: Cross multiply
    4,550.97x = 6,815.52 × 3,085.68
  4. Step 4: Simplify right side
    4,550.97x = 21,030,513.75
  5. Step 5: Solve for x
    x = 21,030,513.75/4,550.97
  6. Step 6: Final answer
    x = 4,621.11

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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.