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Finding the Fourth Proportional to 75,794.34, 104,600.80 and 41,802.69

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Solution

The fourth proportional to 75,794.34, 104,600.80 and 41,802.69 is: 57,690.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,794.34 : 104,600.80 = 41,802.69 : x
  2. Step 2: Convert to fraction form
    75,794.34/104,600.80 = 41,802.69/x
  3. Step 3: Cross multiply
    75,794.34x = 104,600.80 × 41,802.69
  4. Step 4: Simplify right side
    75,794.34x = 4,372,594,816.15
  5. Step 5: Solve for x
    x = 4,372,594,816.15/75,794.34
  6. Step 6: Final answer
    x = 57,690.26

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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.