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Finding the Fourth Proportional to 9,263.92, 13,896.96 and 3,719.20

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Solution

The fourth proportional to 9,263.92, 13,896.96 and 3,719.20 is: 5,579.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,263.92 : 13,896.96 = 3,719.20 : x
  2. Step 2: Convert to fraction form
    9,263.92/13,896.96 = 3,719.20/x
  3. Step 3: Cross multiply
    9,263.92x = 13,896.96 × 3,719.20
  4. Step 4: Simplify right side
    9,263.92x = 51,685,573.63
  5. Step 5: Solve for x
    x = 51,685,573.63/9,263.92
  6. Step 6: Final answer
    x = 5,579.23

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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.