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Finding the Fourth Proportional to 35,574.45, 49,092.27 and 19,659.18

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Solution

The fourth proportional to 35,574.45, 49,092.27 and 19,659.18 is: 27,129.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,574.45 : 49,092.27 = 19,659.18 : x
  2. Step 2: Convert to fraction form
    35,574.45/49,092.27 = 19,659.18/x
  3. Step 3: Cross multiply
    35,574.45x = 49,092.27 × 19,659.18
  4. Step 4: Simplify right side
    35,574.45x = 965,113,772.54
  5. Step 5: Solve for x
    x = 965,113,772.54/35,574.45
  6. Step 6: Final answer
    x = 27,129.41

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1.5x scale

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.