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Finding the Fourth Proportional to 5,604.90, 7,726.31 and 4,608.45

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Solution

The fourth proportional to 5,604.90, 7,726.31 and 4,608.45 is: 6,352.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,604.90 : 7,726.31 = 4,608.45 : x
  2. Step 2: Convert to fraction form
    5,604.90/7,726.31 = 4,608.45/x
  3. Step 3: Cross multiply
    5,604.90x = 7,726.31 × 4,608.45
  4. Step 4: Simplify right side
    5,604.90x = 35,606,324.84
  5. Step 5: Solve for x
    x = 35,606,324.84/5,604.90
  6. Step 6: Final answer
    x = 6,352.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.