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Finding the Fourth Proportional to 4,604.99, 6,912.31 and 4,081.25

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Solution

The fourth proportional to 4,604.99, 6,912.31 and 4,081.25 is: 6,126.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,604.99 : 6,912.31 = 4,081.25 : x
  2. Step 2: Convert to fraction form
    4,604.99/6,912.31 = 4,081.25/x
  3. Step 3: Cross multiply
    4,604.99x = 6,912.31 × 4,081.25
  4. Step 4: Simplify right side
    4,604.99x = 28,210,830.63
  5. Step 5: Solve for x
    x = 28,210,830.63/4,604.99
  6. Step 6: Final answer
    x = 6,126.15

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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.