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Finding the Fourth Proportional to 54,909.70, 75,775.60 and 34,745.56

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Solution

The fourth proportional to 54,909.70, 75,775.60 and 34,745.56 is: 47,949.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,909.70 : 75,775.60 = 34,745.56 : x
  2. Step 2: Convert to fraction form
    54,909.70/75,775.60 = 34,745.56/x
  3. Step 3: Cross multiply
    54,909.70x = 75,775.60 × 34,745.56
  4. Step 4: Simplify right side
    54,909.70x = 2,632,865,510.33
  5. Step 5: Solve for x
    x = 2,632,865,510.33/54,909.70
  6. Step 6: Final answer
    x = 47,949.01

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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.