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Finding the Fourth Proportional to 35,138.88, 48,491.37 and 19,223.46

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Solution

The fourth proportional to 35,138.88, 48,491.37 and 19,223.46 is: 26,528.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,138.88 : 48,491.37 = 19,223.46 : x
  2. Step 2: Convert to fraction form
    35,138.88/48,491.37 = 19,223.46/x
  3. Step 3: Cross multiply
    35,138.88x = 48,491.37 × 19,223.46
  4. Step 4: Simplify right side
    35,138.88x = 932,171,911.54
  5. Step 5: Solve for x
    x = 932,171,911.54/35,138.88
  6. Step 6: Final answer
    x = 26,528.22

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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.