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Finding the Fourth Proportional to 53,043.92, 79,582.04 and 33,040.08

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Solution

The fourth proportional to 53,043.92, 79,582.04 and 33,040.08 is: 49,570.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,043.92 : 79,582.04 = 33,040.08 : x
  2. Step 2: Convert to fraction form
    53,043.92/79,582.04 = 33,040.08/x
  3. Step 3: Cross multiply
    53,043.92x = 79,582.04 × 33,040.08
  4. Step 4: Simplify right side
    53,043.92x = 2,629,396,968.16
  5. Step 5: Solve for x
    x = 2,629,396,968.16/53,043.92
  6. Step 6: Final answer
    x = 49,570.19

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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.