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Finding the Fourth Proportional to 7,309.33, 10,966.74 and 4,389.73

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Solution

The fourth proportional to 7,309.33, 10,966.74 and 4,389.73 is: 6,586.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,309.33 : 10,966.74 = 4,389.73 : x
  2. Step 2: Convert to fraction form
    7,309.33/10,966.74 = 4,389.73/x
  3. Step 3: Cross multiply
    7,309.33x = 10,966.74 × 4,389.73
  4. Step 4: Simplify right side
    7,309.33x = 48,141,027.58
  5. Step 5: Solve for x
    x = 48,141,027.58/7,309.33
  6. Step 6: Final answer
    x = 6,586.24

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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.