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Finding the Fourth Proportional to 54,274.58, 74,898.48 and 30,401.48

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Solution

The fourth proportional to 54,274.58, 74,898.48 and 30,401.48 is: 41,953.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,274.58 : 74,898.48 = 30,401.48 : x
  2. Step 2: Convert to fraction form
    54,274.58/74,898.48 = 30,401.48/x
  3. Step 3: Cross multiply
    54,274.58x = 74,898.48 × 30,401.48
  4. Step 4: Simplify right side
    54,274.58x = 2,277,024,641.75
  5. Step 5: Solve for x
    x = 2,277,024,641.75/54,274.58
  6. Step 6: Final answer
    x = 41,953.80

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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.