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Finding the Fourth Proportional to 3,068.55, 4,232.25 and 2,072.25

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Solution

The fourth proportional to 3,068.55, 4,232.25 and 2,072.25 is: 2,858.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,068.55 : 4,232.25 = 2,072.25 : x
  2. Step 2: Convert to fraction form
    3,068.55/4,232.25 = 2,072.25/x
  3. Step 3: Cross multiply
    3,068.55x = 4,232.25 × 2,072.25
  4. Step 4: Simplify right side
    3,068.55x = 8,770,280.06
  5. Step 5: Solve for x
    x = 8,770,280.06/3,068.55
  6. Step 6: Final answer
    x = 2,858.12

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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.