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Finding the Fourth Proportional to 50,984.88, 70,321.68 and 29,762.88

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Solution

The fourth proportional to 50,984.88, 70,321.68 and 29,762.88 is: 41,050.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,984.88 : 70,321.68 = 29,762.88 : x
  2. Step 2: Convert to fraction form
    50,984.88/70,321.68 = 29,762.88/x
  3. Step 3: Cross multiply
    50,984.88x = 70,321.68 × 29,762.88
  4. Step 4: Simplify right side
    50,984.88x = 2,092,975,723.24
  5. Step 5: Solve for x
    x = 2,092,975,723.24/50,984.88
  6. Step 6: Final answer
    x = 41,050.91

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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.