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Finding the Fourth Proportional to 42,043.98, 63,012.64 and 41,599.05

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Solution

The fourth proportional to 42,043.98, 63,012.64 and 41,599.05 is: 62,345.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,043.98 : 63,012.64 = 41,599.05 : x
  2. Step 2: Convert to fraction form
    42,043.98/63,012.64 = 41,599.05/x
  3. Step 3: Cross multiply
    42,043.98x = 63,012.64 × 41,599.05
  4. Step 4: Simplify right side
    42,043.98x = 2,621,265,961.99
  5. Step 5: Solve for x
    x = 2,621,265,961.99/42,043.98
  6. Step 6: Final answer
    x = 62,345.81

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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.