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Finding the Fourth Proportional to 35,482.73, 53,239.79 and 18,838.74

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Solution

The fourth proportional to 35,482.73, 53,239.79 and 18,838.74 is: 28,266.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,482.73 : 53,239.79 = 18,838.74 : x
  2. Step 2: Convert to fraction form
    35,482.73/53,239.79 = 18,838.74/x
  3. Step 3: Cross multiply
    35,482.73x = 53,239.79 × 18,838.74
  4. Step 4: Simplify right side
    35,482.73x = 1,002,970,608.56
  5. Step 5: Solve for x
    x = 1,002,970,608.56/35,482.73
  6. Step 6: Final answer
    x = 28,266.44

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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.