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Finding the Fourth Proportional to 19,365.92, 29,048.27 and 5,514.92

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Solution

The fourth proportional to 19,365.92, 29,048.27 and 5,514.92 is: 8,272.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,365.92 : 29,048.27 = 5,514.92 : x
  2. Step 2: Convert to fraction form
    19,365.92/29,048.27 = 5,514.92/x
  3. Step 3: Cross multiply
    19,365.92x = 29,048.27 × 5,514.92
  4. Step 4: Simplify right side
    19,365.92x = 160,198,885.19
  5. Step 5: Solve for x
    x = 160,198,885.19/19,365.92
  6. Step 6: Final answer
    x = 8,272.21

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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.