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Finding the Fourth Proportional to 35,574.90, 49,092.93 and 19,659.02

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Solution

The fourth proportional to 35,574.90, 49,092.93 and 19,659.02 is: 27,129.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,574.90 : 49,092.93 = 19,659.02 : x
  2. Step 2: Convert to fraction form
    35,574.90/49,092.93 = 19,659.02/x
  3. Step 3: Cross multiply
    35,574.90x = 49,092.93 × 19,659.02
  4. Step 4: Simplify right side
    35,574.90x = 965,118,647.26
  5. Step 5: Solve for x
    x = 965,118,647.26/35,574.90
  6. Step 6: Final answer
    x = 27,129.20

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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.