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Finding the Fourth Proportional to 62,178.93, 85,804.43 and 33,884.01

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Solution

The fourth proportional to 62,178.93, 85,804.43 and 33,884.01 is: 46,758.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,178.93 : 85,804.43 = 33,884.01 : x
  2. Step 2: Convert to fraction form
    62,178.93/85,804.43 = 33,884.01/x
  3. Step 3: Cross multiply
    62,178.93x = 85,804.43 × 33,884.01
  4. Step 4: Simplify right side
    62,178.93x = 2,907,397,994.74
  5. Step 5: Solve for x
    x = 2,907,397,994.74/62,178.93
  6. Step 6: Final answer
    x = 46,758.57

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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.