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Finding the Fourth Proportional to 50,066, 69,106.48 and 28,859.44

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Solution

The fourth proportional to 50,066, 69,106.48 and 28,859.44 is: 39,834.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,066 : 69,106.48 = 28,859.44 : x
  2. Step 2: Convert to fraction form
    50,066/69,106.48 = 28,859.44/x
  3. Step 3: Cross multiply
    50,066x = 69,106.48 × 28,859.44
  4. Step 4: Simplify right side
    50,066x = 1,994,374,313.17
  5. Step 5: Solve for x
    x = 1,994,374,313.17/50,066
  6. Step 6: Final answer
    x = 39,834.90

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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.