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Finding the Fourth Proportional to 50,758.60, 70,035.06 and 29,525.80

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Solution

The fourth proportional to 50,758.60, 70,035.06 and 29,525.80 is: 40,738.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,758.60 : 70,035.06 = 29,525.80 : x
  2. Step 2: Convert to fraction form
    50,758.60/70,035.06 = 29,525.80/x
  3. Step 3: Cross multiply
    50,758.60x = 70,035.06 × 29,525.80
  4. Step 4: Simplify right side
    50,758.60x = 2,067,841,174.55
  5. Step 5: Solve for x
    x = 2,067,841,174.55/50,758.60
  6. Step 6: Final answer
    x = 40,738.74

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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.