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Finding the Fourth Proportional to 9,578.28, 14,372.28 and 4,383.48

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Solution

The fourth proportional to 9,578.28, 14,372.28 and 4,383.48 is: 6,577.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,578.28 : 14,372.28 = 4,383.48 : x
  2. Step 2: Convert to fraction form
    9,578.28/14,372.28 = 4,383.48/x
  3. Step 3: Cross multiply
    9,578.28x = 14,372.28 × 4,383.48
  4. Step 4: Simplify right side
    9,578.28x = 63,000,601.93
  5. Step 5: Solve for x
    x = 63,000,601.93/9,578.28
  6. Step 6: Final answer
    x = 6,577.44

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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.