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Finding the Fourth Proportional to 7,663.28, 11,427.86 and 7,593.22

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Solution

The fourth proportional to 7,663.28, 11,427.86 and 7,593.22 is: 11,323.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,663.28 : 11,427.86 = 7,593.22 : x
  2. Step 2: Convert to fraction form
    7,663.28/11,427.86 = 7,593.22/x
  3. Step 3: Cross multiply
    7,663.28x = 11,427.86 × 7,593.22
  4. Step 4: Simplify right side
    7,663.28x = 86,774,197.97
  5. Step 5: Solve for x
    x = 86,774,197.97/7,663.28
  6. Step 6: Final answer
    x = 11,323.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.