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Finding the Fourth Proportional to 5,557.56, 7,669.34 and 3,073.56

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Solution

The fourth proportional to 5,557.56, 7,669.34 and 3,073.56 is: 4,241.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,557.56 : 7,669.34 = 3,073.56 : x
  2. Step 2: Convert to fraction form
    5,557.56/7,669.34 = 3,073.56/x
  3. Step 3: Cross multiply
    5,557.56x = 7,669.34 × 3,073.56
  4. Step 4: Simplify right side
    5,557.56x = 23,572,176.65
  5. Step 5: Solve for x
    x = 23,572,176.65/5,557.56
  6. Step 6: Final answer
    x = 4,241.46

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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.