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Finding the Fourth Proportional to 33,297.66, 45,946.53 and 18,959.40

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Solution

The fourth proportional to 33,297.66, 45,946.53 and 18,959.40 is: 26,161.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,297.66 : 45,946.53 = 18,959.40 : x
  2. Step 2: Convert to fraction form
    33,297.66/45,946.53 = 18,959.40/x
  3. Step 3: Cross multiply
    33,297.66x = 45,946.53 × 18,959.40
  4. Step 4: Simplify right side
    33,297.66x = 871,118,640.88
  5. Step 5: Solve for x
    x = 871,118,640.88/33,297.66
  6. Step 6: Final answer
    x = 26,161.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.