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Finding the Fourth Proportional to 5,608.76, 8,396.73 and 4,430.52

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Solution

The fourth proportional to 5,608.76, 8,396.73 and 4,430.52 is: 6,632.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,608.76 : 8,396.73 = 4,430.52 : x
  2. Step 2: Convert to fraction form
    5,608.76/8,396.73 = 4,430.52/x
  3. Step 3: Cross multiply
    5,608.76x = 8,396.73 × 4,430.52
  4. Step 4: Simplify right side
    5,608.76x = 37,201,880.20
  5. Step 5: Solve for x
    x = 37,201,880.20/5,608.76
  6. Step 6: Final answer
    x = 6,632.82

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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.