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Finding the Fourth Proportional to 19,046.52, 28,566.96 and 7,358.28

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Solution

The fourth proportional to 19,046.52, 28,566.96 and 7,358.28 is: 11,036.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,046.52 : 28,566.96 = 7,358.28 : x
  2. Step 2: Convert to fraction form
    19,046.52/28,566.96 = 7,358.28/x
  3. Step 3: Cross multiply
    19,046.52x = 28,566.96 × 7,358.28
  4. Step 4: Simplify right side
    19,046.52x = 210,203,690.43
  5. Step 5: Solve for x
    x = 210,203,690.43/19,046.52
  6. Step 6: Final answer
    x = 11,036.33

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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.