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Finding the Fourth Proportional to 19,556.77, 29,328 and 7,073.80

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Solution

The fourth proportional to 19,556.77, 29,328 and 7,073.80 is: 10,608.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,556.77 : 29,328 = 7,073.80 : x
  2. Step 2: Convert to fraction form
    19,556.77/29,328 = 7,073.80/x
  3. Step 3: Cross multiply
    19,556.77x = 29,328 × 7,073.80
  4. Step 4: Simplify right side
    19,556.77x = 207,460,406.40
  5. Step 5: Solve for x
    x = 207,460,406.40/19,556.77
  6. Step 6: Final answer
    x = 10,608.11

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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.