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Finding the Fourth Proportional to 61,858.56, 92,747.44 and 40,734.64

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Solution

The fourth proportional to 61,858.56, 92,747.44 and 40,734.64 is: 61,075.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,858.56 : 92,747.44 = 40,734.64 : x
  2. Step 2: Convert to fraction form
    61,858.56/92,747.44 = 40,734.64/x
  3. Step 3: Cross multiply
    61,858.56x = 92,747.44 × 40,734.64
  4. Step 4: Simplify right side
    61,858.56x = 3,778,033,579.32
  5. Step 5: Solve for x
    x = 3,778,033,579.32/61,858.56
  6. Step 6: Final answer
    x = 61,075.36

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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.