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Finding the Fourth Proportional to 17,297.61, 25,926.25 and 7,938.62

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Solution

The fourth proportional to 17,297.61, 25,926.25 and 7,938.62 is: 11,898.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,297.61 : 25,926.25 = 7,938.62 : x
  2. Step 2: Convert to fraction form
    17,297.61/25,926.25 = 7,938.62/x
  3. Step 3: Cross multiply
    17,297.61x = 25,926.25 × 7,938.62
  4. Step 4: Simplify right side
    17,297.61x = 205,818,512.18
  5. Step 5: Solve for x
    x = 205,818,512.18/17,297.61
  6. Step 6: Final answer
    x = 11,898.67

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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.