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Finding the Fourth Proportional to 7,759.10, 11,637.84 and 4,059.84

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Solution

The fourth proportional to 7,759.10, 11,637.84 and 4,059.84 is: 6,089.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,759.10 : 11,637.84 = 4,059.84 : x
  2. Step 2: Convert to fraction form
    7,759.10/11,637.84 = 4,059.84/x
  3. Step 3: Cross multiply
    7,759.10x = 11,637.84 × 4,059.84
  4. Step 4: Simplify right side
    7,759.10x = 47,247,768.35
  5. Step 5: Solve for x
    x = 47,247,768.35/7,759.10
  6. Step 6: Final answer
    x = 6,089.34

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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.