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Finding the Fourth Proportional to 9,383.52, 14,060.88 and 4,769.76

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Solution

The fourth proportional to 9,383.52, 14,060.88 and 4,769.76 is: 7,147.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,383.52 : 14,060.88 = 4,769.76 : x
  2. Step 2: Convert to fraction form
    9,383.52/14,060.88 = 4,769.76/x
  3. Step 3: Cross multiply
    9,383.52x = 14,060.88 × 4,769.76
  4. Step 4: Simplify right side
    9,383.52x = 67,067,022.99
  5. Step 5: Solve for x
    x = 67,067,022.99/9,383.52
  6. Step 6: Final answer
    x = 7,147.32

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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.