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Finding the Fourth Proportional to 30,093.84, 41,536.44 and 28,687.68

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Solution

The fourth proportional to 30,093.84, 41,536.44 and 28,687.68 is: 39,595.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,093.84 : 41,536.44 = 28,687.68 : x
  2. Step 2: Convert to fraction form
    30,093.84/41,536.44 = 28,687.68/x
  3. Step 3: Cross multiply
    30,093.84x = 41,536.44 × 28,687.68
  4. Step 4: Simplify right side
    30,093.84x = 1,191,584,099.06
  5. Step 5: Solve for x
    x = 1,191,584,099.06/30,093.84
  6. Step 6: Final answer
    x = 39,595.61

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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.