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Finding the Fourth Proportional to 35,696.52, 49,260.62 and 19,780.92

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Solution

The fourth proportional to 35,696.52, 49,260.62 and 19,780.92 is: 27,297.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,696.52 : 49,260.62 = 19,780.92 : x
  2. Step 2: Convert to fraction form
    35,696.52/49,260.62 = 19,780.92/x
  3. Step 3: Cross multiply
    35,696.52x = 49,260.62 × 19,780.92
  4. Step 4: Simplify right side
    35,696.52x = 974,420,383.37
  5. Step 5: Solve for x
    x = 974,420,383.37/35,696.52
  6. Step 6: Final answer
    x = 27,297.35

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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.