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Finding the Fourth Proportional to 61,574.36, 92,360.99 and 19,454.44

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Solution

The fourth proportional to 61,574.36, 92,360.99 and 19,454.44 is: 29,181.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,574.36 : 92,360.99 = 19,454.44 : x
  2. Step 2: Convert to fraction form
    61,574.36/92,360.99 = 19,454.44/x
  3. Step 3: Cross multiply
    61,574.36x = 92,360.99 × 19,454.44
  4. Step 4: Simplify right side
    61,574.36x = 1,796,831,156.03
  5. Step 5: Solve for x
    x = 1,796,831,156.03/61,574.36
  6. Step 6: Final answer
    x = 29,181.48

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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.