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Finding the Fourth Proportional to 75,797.94, 104,600.99 and 45,600.79

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Solution

The fourth proportional to 75,797.94, 104,600.99 and 45,600.79 is: 62,928.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,797.94 : 104,600.99 = 45,600.79 : x
  2. Step 2: Convert to fraction form
    75,797.94/104,600.99 = 45,600.79/x
  3. Step 3: Cross multiply
    75,797.94x = 104,600.99 × 45,600.79
  4. Step 4: Simplify right side
    75,797.94x = 4,769,887,570.90
  5. Step 5: Solve for x
    x = 4,769,887,570.90/75,797.94
  6. Step 6: Final answer
    x = 62,928.98

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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.