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Finding the Fourth Proportional to 7,759.72, 11,630.28 and 3,594.08

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Solution

The fourth proportional to 7,759.72, 11,630.28 and 3,594.08 is: 5,386.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,759.72 : 11,630.28 = 3,594.08 : x
  2. Step 2: Convert to fraction form
    7,759.72/11,630.28 = 3,594.08/x
  3. Step 3: Cross multiply
    7,759.72x = 11,630.28 × 3,594.08
  4. Step 4: Simplify right side
    7,759.72x = 41,800,156.74
  5. Step 5: Solve for x
    x = 41,800,156.74/7,759.72
  6. Step 6: Final answer
    x = 5,386.81

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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.