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Finding the Fourth Proportional to 35,606.99, 49,135.56 and 19,690.39

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Solution

The fourth proportional to 35,606.99, 49,135.56 and 19,690.39 is: 27,171.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,606.99 : 49,135.56 = 19,690.39 : x
  2. Step 2: Convert to fraction form
    35,606.99/49,135.56 = 19,690.39/x
  3. Step 3: Cross multiply
    35,606.99x = 49,135.56 × 19,690.39
  4. Step 4: Simplify right side
    35,606.99x = 967,498,437.61
  5. Step 5: Solve for x
    x = 967,498,437.61/35,606.99
  6. Step 6: Final answer
    x = 27,171.59

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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.