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Finding the Fourth Proportional to 40,362, 55,699.62 and 22,698

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Solution

The fourth proportional to 40,362, 55,699.62 and 22,698 is: 31,323.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,362 : 55,699.62 = 22,698 : x
  2. Step 2: Convert to fraction form
    40,362/55,699.62 = 22,698/x
  3. Step 3: Cross multiply
    40,362x = 55,699.62 × 22,698
  4. Step 4: Simplify right side
    40,362x = 1,264,269,974.76
  5. Step 5: Solve for x
    x = 1,264,269,974.76/40,362
  6. Step 6: Final answer
    x = 31,323.27

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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.