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Finding the Fourth Proportional to 38,941.60, 58,357.60 and 22,276.64

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Solution

The fourth proportional to 38,941.60, 58,357.60 and 22,276.64 is: 33,383.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,941.60 : 58,357.60 = 22,276.64 : x
  2. Step 2: Convert to fraction form
    38,941.60/58,357.60 = 22,276.64/x
  3. Step 3: Cross multiply
    38,941.60x = 58,357.60 × 22,276.64
  4. Step 4: Simplify right side
    38,941.60x = 1,300,011,246.46
  5. Step 5: Solve for x
    x = 1,300,011,246.46/38,941.60
  6. Step 6: Final answer
    x = 33,383.61

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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.