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Finding the Fourth Proportional to 7,383.88, 10,190.00 and 4,026.88

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Solution

The fourth proportional to 7,383.88, 10,190.00 and 4,026.88 is: 5,557.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,383.88 : 10,190.00 = 4,026.88 : x
  2. Step 2: Convert to fraction form
    7,383.88/10,190.00 = 4,026.88/x
  3. Step 3: Cross multiply
    7,383.88x = 10,190.00 × 4,026.88
  4. Step 4: Simplify right side
    7,383.88x = 41,033,861.36
  5. Step 5: Solve for x
    x = 41,033,861.36/7,383.88
  6. Step 6: Final answer
    x = 5,557.22

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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.