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Finding the Fourth Proportional to 17,009.93, 25,488.92 and 7,143.86

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Solution

The fourth proportional to 17,009.93, 25,488.92 and 7,143.86 is: 10,704.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,009.93 : 25,488.92 = 7,143.86 : x
  2. Step 2: Convert to fraction form
    17,009.93/25,488.92 = 7,143.86/x
  3. Step 3: Cross multiply
    17,009.93x = 25,488.92 × 7,143.86
  4. Step 4: Simplify right side
    17,009.93x = 182,089,112.87
  5. Step 5: Solve for x
    x = 182,089,112.87/17,009.93
  6. Step 6: Final answer
    x = 10,704.87

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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.