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Finding the Fourth Proportional to 37,596.60, 51,883.20 and 20,829.60

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Solution

The fourth proportional to 37,596.60, 51,883.20 and 20,829.60 is: 28,744.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,596.60 : 51,883.20 = 20,829.60 : x
  2. Step 2: Convert to fraction form
    37,596.60/51,883.20 = 20,829.60/x
  3. Step 3: Cross multiply
    37,596.60x = 51,883.20 × 20,829.60
  4. Step 4: Simplify right side
    37,596.60x = 1,080,706,302.72
  5. Step 5: Solve for x
    x = 1,080,706,302.72/37,596.60
  6. Step 6: Final answer
    x = 28,744.79

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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.