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Finding the Fourth Proportional to 21,706.96, 32,556.96 and 6,125.68

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Solution

The fourth proportional to 21,706.96, 32,556.96 and 6,125.68 is: 9,187.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,706.96 : 32,556.96 = 6,125.68 : x
  2. Step 2: Convert to fraction form
    21,706.96/32,556.96 = 6,125.68/x
  3. Step 3: Cross multiply
    21,706.96x = 32,556.96 × 6,125.68
  4. Step 4: Simplify right side
    21,706.96x = 199,433,518.73
  5. Step 5: Solve for x
    x = 199,433,518.73/21,706.96
  6. Step 6: Final answer
    x = 9,187.54

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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.