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Finding the Fourth Proportional to 61,227.42, 91,844.73 and 19,113.54

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Solution

The fourth proportional to 61,227.42, 91,844.73 and 19,113.54 is: 28,671.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,227.42 : 91,844.73 = 19,113.54 : x
  2. Step 2: Convert to fraction form
    61,227.42/91,844.73 = 19,113.54/x
  3. Step 3: Cross multiply
    61,227.42x = 91,844.73 × 19,113.54
  4. Step 4: Simplify right side
    61,227.42x = 1,755,477,920.64
  5. Step 5: Solve for x
    x = 1,755,477,920.64/61,227.42
  6. Step 6: Final answer
    x = 28,671.43

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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.