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Finding the Fourth Proportional to 51,789.60, 71,393.58 and 36,635.60

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Solution

The fourth proportional to 51,789.60, 71,393.58 and 36,635.60 is: 50,503.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,789.60 : 71,393.58 = 36,635.60 : x
  2. Step 2: Convert to fraction form
    51,789.60/71,393.58 = 36,635.60/x
  3. Step 3: Cross multiply
    51,789.60x = 71,393.58 × 36,635.60
  4. Step 4: Simplify right side
    51,789.60x = 2,615,546,639.45
  5. Step 5: Solve for x
    x = 2,615,546,639.45/51,789.60
  6. Step 6: Final answer
    x = 50,503.32

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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.