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Finding the Fourth Proportional to 6,574.57, 9,069.54 and 4,450.21

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Solution

The fourth proportional to 6,574.57, 9,069.54 and 4,450.21 is: 6,139.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,574.57 : 9,069.54 = 4,450.21 : x
  2. Step 2: Convert to fraction form
    6,574.57/9,069.54 = 4,450.21/x
  3. Step 3: Cross multiply
    6,574.57x = 9,069.54 × 4,450.21
  4. Step 4: Simplify right side
    6,574.57x = 40,361,357.60
  5. Step 5: Solve for x
    x = 40,361,357.60/6,574.57
  6. Step 6: Final answer
    x = 6,139.01

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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.