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Finding the Fourth Proportional to 17,019.72, 25,506.90 and 7,657.74

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Solution

The fourth proportional to 17,019.72, 25,506.90 and 7,657.74 is: 11,476.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,019.72 : 25,506.90 = 7,657.74 : x
  2. Step 2: Convert to fraction form
    17,019.72/25,506.90 = 7,657.74/x
  3. Step 3: Cross multiply
    17,019.72x = 25,506.90 × 7,657.74
  4. Step 4: Simplify right side
    17,019.72x = 195,325,208.41
  5. Step 5: Solve for x
    x = 195,325,208.41/17,019.72
  6. Step 6: Final answer
    x = 11,476.41

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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.