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Finding the Fourth Proportional to 34,203.01, 47,204.34 and 19,859.71

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Solution

The fourth proportional to 34,203.01, 47,204.34 and 19,859.71 is: 27,408.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,203.01 : 47,204.34 = 19,859.71 : x
  2. Step 2: Convert to fraction form
    34,203.01/47,204.34 = 19,859.71/x
  3. Step 3: Cross multiply
    34,203.01x = 47,204.34 × 19,859.71
  4. Step 4: Simplify right side
    34,203.01x = 937,464,433.97
  5. Step 5: Solve for x
    x = 937,464,433.97/34,203.01
  6. Step 6: Final answer
    x = 27,408.83

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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.