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Finding the Fourth Proportional to 75,795.71, 104,585.85 and 45,573.80

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Solution

The fourth proportional to 75,795.71, 104,585.85 and 45,573.80 is: 62,884.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,795.71 : 104,585.85 = 45,573.80 : x
  2. Step 2: Convert to fraction form
    75,795.71/104,585.85 = 45,573.80/x
  3. Step 3: Cross multiply
    75,795.71x = 104,585.85 × 45,573.80
  4. Step 4: Simplify right side
    75,795.71x = 4,766,374,087.80
  5. Step 5: Solve for x
    x = 4,766,374,087.80/75,795.71
  6. Step 6: Final answer
    x = 62,884.49

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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.