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Finding the Fourth Proportional to 6,561.87, 9,058.59 and 4,448.54

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Solution

The fourth proportional to 6,561.87, 9,058.59 and 4,448.54 is: 6,141.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,561.87 : 9,058.59 = 4,448.54 : x
  2. Step 2: Convert to fraction form
    6,561.87/9,058.59 = 4,448.54/x
  3. Step 3: Cross multiply
    6,561.87x = 9,058.59 × 4,448.54
  4. Step 4: Simplify right side
    6,561.87x = 40,297,454.67
  5. Step 5: Solve for x
    x = 40,297,454.67/6,561.87
  6. Step 6: Final answer
    x = 6,141.15

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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.