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Finding the Fourth Proportional to 34,157.60, 51,274.80 and 26,400.80

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Solution

The fourth proportional to 34,157.60, 51,274.80 and 26,400.80 is: 39,630.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,157.60 : 51,274.80 = 26,400.80 : x
  2. Step 2: Convert to fraction form
    34,157.60/51,274.80 = 26,400.80/x
  3. Step 3: Cross multiply
    34,157.60x = 51,274.80 × 26,400.80
  4. Step 4: Simplify right side
    34,157.60x = 1,353,695,739.84
  5. Step 5: Solve for x
    x = 1,353,695,739.84/34,157.60
  6. Step 6: Final answer
    x = 39,630.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.