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Finding the Fourth Proportional to 17,040.51, 25,561.06 and 6,515.42

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Solution

The fourth proportional to 17,040.51, 25,561.06 and 6,515.42 is: 9,773.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,040.51 : 25,561.06 = 6,515.42 : x
  2. Step 2: Convert to fraction form
    17,040.51/25,561.06 = 6,515.42/x
  3. Step 3: Cross multiply
    17,040.51x = 25,561.06 × 6,515.42
  4. Step 4: Simplify right side
    17,040.51x = 166,540,897.45
  5. Step 5: Solve for x
    x = 166,540,897.45/17,040.51
  6. Step 6: Final answer
    x = 9,773.23

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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.