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Finding the Fourth Proportional to 53,891.94, 74,367.90 and 30,014.28

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Solution

The fourth proportional to 53,891.94, 74,367.90 and 30,014.28 is: 41,418.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,891.94 : 74,367.90 = 30,014.28 : x
  2. Step 2: Convert to fraction form
    53,891.94/74,367.90 = 30,014.28/x
  3. Step 3: Cross multiply
    53,891.94x = 74,367.90 × 30,014.28
  4. Step 4: Simplify right side
    53,891.94x = 2,232,098,973.61
  5. Step 5: Solve for x
    x = 2,232,098,973.61/53,891.94
  6. Step 6: Final answer
    x = 41,418.05

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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.