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Finding the Fourth Proportional to 15,670.73, 23,512.23 and 6,899.49

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Solution

The fourth proportional to 15,670.73, 23,512.23 and 6,899.49 is: 10,351.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,670.73 : 23,512.23 = 6,899.49 : x
  2. Step 2: Convert to fraction form
    15,670.73/23,512.23 = 6,899.49/x
  3. Step 3: Cross multiply
    15,670.73x = 23,512.23 × 6,899.49
  4. Step 4: Simplify right side
    15,670.73x = 162,222,395.76
  5. Step 5: Solve for x
    x = 162,222,395.76/15,670.73
  6. Step 6: Final answer
    x = 10,351.94

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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.