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Finding the Fourth Proportional to 19,057.66, 28,586.28 and 7,362.68

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Solution

The fourth proportional to 19,057.66, 28,586.28 and 7,362.68 is: 11,043.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,057.66 : 28,586.28 = 7,362.68 : x
  2. Step 2: Convert to fraction form
    19,057.66/28,586.28 = 7,362.68/x
  3. Step 3: Cross multiply
    19,057.66x = 28,586.28 × 7,362.68
  4. Step 4: Simplify right side
    19,057.66x = 210,471,632.03
  5. Step 5: Solve for x
    x = 210,471,632.03/19,057.66
  6. Step 6: Final answer
    x = 11,043.94

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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.