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Finding the Fourth Proportional to 53,730.63, 74,148.63 and 33,599.31

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Solution

The fourth proportional to 53,730.63, 74,148.63 and 33,599.31 is: 46,367.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,730.63 : 74,148.63 = 33,599.31 : x
  2. Step 2: Convert to fraction form
    53,730.63/74,148.63 = 33,599.31/x
  3. Step 3: Cross multiply
    53,730.63x = 74,148.63 × 33,599.31
  4. Step 4: Simplify right side
    53,730.63x = 2,491,342,805.45
  5. Step 5: Solve for x
    x = 2,491,342,805.45/53,730.63
  6. Step 6: Final answer
    x = 46,367.27

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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.