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Finding the Fourth Proportional to 57,442.50, 79,270.79 and 33,582.33

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Solution

The fourth proportional to 57,442.50, 79,270.79 and 33,582.33 is: 46,343.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,442.50 : 79,270.79 = 33,582.33 : x
  2. Step 2: Convert to fraction form
    57,442.50/79,270.79 = 33,582.33/x
  3. Step 3: Cross multiply
    57,442.50x = 79,270.79 × 33,582.33
  4. Step 4: Simplify right side
    57,442.50x = 2,662,097,661.23
  5. Step 5: Solve for x
    x = 2,662,097,661.23/57,442.50
  6. Step 6: Final answer
    x = 46,343.69

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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.