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Finding the Fourth Proportional to 4,059.97, 6,089.97 and 1,138.30

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Solution

The fourth proportional to 4,059.97, 6,089.97 and 1,138.30 is: 1,707.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,059.97 : 6,089.97 = 1,138.30 : x
  2. Step 2: Convert to fraction form
    4,059.97/6,089.97 = 1,138.30/x
  3. Step 3: Cross multiply
    4,059.97x = 6,089.97 × 1,138.30
  4. Step 4: Simplify right side
    4,059.97x = 6,932,212.85
  5. Step 5: Solve for x
    x = 6,932,212.85/4,059.97
  6. Step 6: Final answer
    x = 1,707.45

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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.