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Finding the Fourth Proportional to 50,730.94, 70,019.73 and 29,512.99

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Solution

The fourth proportional to 50,730.94, 70,019.73 and 29,512.99 is: 40,734.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,730.94 : 70,019.73 = 29,512.99 : x
  2. Step 2: Convert to fraction form
    50,730.94/70,019.73 = 29,512.99/x
  3. Step 3: Cross multiply
    50,730.94x = 70,019.73 × 29,512.99
  4. Step 4: Simplify right side
    50,730.94x = 2,066,491,093.63
  5. Step 5: Solve for x
    x = 2,066,491,093.63/50,730.94
  6. Step 6: Final answer
    x = 40,734.34

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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.