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Finding the Fourth Proportional to 75,409.98, 112,942.71 and 35,994.84

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Solution

The fourth proportional to 75,409.98, 112,942.71 and 35,994.84 is: 53,910.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,409.98 : 112,942.71 = 35,994.84 : x
  2. Step 2: Convert to fraction form
    75,409.98/112,942.71 = 35,994.84/x
  3. Step 3: Cross multiply
    75,409.98x = 112,942.71 × 35,994.84
  4. Step 4: Simplify right side
    75,409.98x = 4,065,354,775.62
  5. Step 5: Solve for x
    x = 4,065,354,775.62/75,409.98
  6. Step 6: Final answer
    x = 53,910.04

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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.