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Finding the Fourth Proportional to 63,718.80, 87,907.41 and 41,055.99

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Solution

The fourth proportional to 63,718.80, 87,907.41 and 41,055.99 is: 56,641.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,718.80 : 87,907.41 = 41,055.99 : x
  2. Step 2: Convert to fraction form
    63,718.80/87,907.41 = 41,055.99/x
  3. Step 3: Cross multiply
    63,718.80x = 87,907.41 × 41,055.99
  4. Step 4: Simplify right side
    63,718.80x = 3,609,125,745.89
  5. Step 5: Solve for x
    x = 3,609,125,745.89/63,718.80
  6. Step 6: Final answer
    x = 56,641.46

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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.