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Finding the Fourth Proportional to 53,843.87, 74,304.53 and 29,970.03

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Solution

The fourth proportional to 53,843.87, 74,304.53 and 29,970.03 is: 41,358.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,843.87 : 74,304.53 = 29,970.03 : x
  2. Step 2: Convert to fraction form
    53,843.87/74,304.53 = 29,970.03/x
  3. Step 3: Cross multiply
    53,843.87x = 74,304.53 × 29,970.03
  4. Step 4: Simplify right side
    53,843.87x = 2,226,908,843.39
  5. Step 5: Solve for x
    x = 2,226,908,843.39/53,843.87
  6. Step 6: Final answer
    x = 41,358.64

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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.