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Finding the Fourth Proportional to 25,704.54, 38,556.81 and 9,055.80

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Solution

The fourth proportional to 25,704.54, 38,556.81 and 9,055.80 is: 13,583.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,704.54 : 38,556.81 = 9,055.80 : x
  2. Step 2: Convert to fraction form
    25,704.54/38,556.81 = 9,055.80/x
  3. Step 3: Cross multiply
    25,704.54x = 38,556.81 × 9,055.80
  4. Step 4: Simplify right side
    25,704.54x = 349,162,760.00
  5. Step 5: Solve for x
    x = 349,162,760.00/25,704.54
  6. Step 6: Final answer
    x = 13,583.70

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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.