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Finding the Fourth Proportional to 6,662.24, 9,994.67 and 5,574.21

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Solution

The fourth proportional to 6,662.24, 9,994.67 and 5,574.21 is: 8,362.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,662.24 : 9,994.67 = 5,574.21 : x
  2. Step 2: Convert to fraction form
    6,662.24/9,994.67 = 5,574.21/x
  3. Step 3: Cross multiply
    6,662.24x = 9,994.67 × 5,574.21
  4. Step 4: Simplify right side
    6,662.24x = 55,712,389.46
  5. Step 5: Solve for x
    x = 55,712,389.46/6,662.24
  6. Step 6: Final answer
    x = 8,362.41

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1.5x scale

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.