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Finding the Fourth Proportional to 50,595, 69,821.10 and 28,239

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Solution

The fourth proportional to 50,595, 69,821.10 and 28,239 is: 38,969.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,595 : 69,821.10 = 28,239 : x
  2. Step 2: Convert to fraction form
    50,595/69,821.10 = 28,239/x
  3. Step 3: Cross multiply
    50,595x = 69,821.10 × 28,239
  4. Step 4: Simplify right side
    50,595x = 1,971,678,042.90
  5. Step 5: Solve for x
    x = 1,971,678,042.90/50,595
  6. Step 6: Final answer
    x = 38,969.82

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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.