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Finding the Fourth Proportional to 19,082.73, 28,628.94 and 5,935.20

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Solution

The fourth proportional to 19,082.73, 28,628.94 and 5,935.20 is: 8,904.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,082.73 : 28,628.94 = 5,935.20 : x
  2. Step 2: Convert to fraction form
    19,082.73/28,628.94 = 5,935.20/x
  3. Step 3: Cross multiply
    19,082.73x = 28,628.94 × 5,935.20
  4. Step 4: Simplify right side
    19,082.73x = 169,918,484.69
  5. Step 5: Solve for x
    x = 169,918,484.69/19,082.73
  6. Step 6: Final answer
    x = 8,904.31

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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.