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Finding the Fourth Proportional to 75,336.75, 103,964.72 and 41,802.75

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Solution

The fourth proportional to 75,336.75, 103,964.72 and 41,802.75 is: 57,687.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,336.75 : 103,964.72 = 41,802.75 : x
  2. Step 2: Convert to fraction form
    75,336.75/103,964.72 = 41,802.75/x
  3. Step 3: Cross multiply
    75,336.75x = 103,964.72 × 41,802.75
  4. Step 4: Simplify right side
    75,336.75x = 4,346,010,989.97
  5. Step 5: Solve for x
    x = 4,346,010,989.97/75,336.75
  6. Step 6: Final answer
    x = 57,687.80

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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.