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Finding the Fourth Proportional to 35,795.70, 49,398.12 and 19,879.74

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Solution

The fourth proportional to 35,795.70, 49,398.12 and 19,879.74 is: 27,434.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,795.70 : 49,398.12 = 19,879.74 : x
  2. Step 2: Convert to fraction form
    35,795.70/49,398.12 = 19,879.74/x
  3. Step 3: Cross multiply
    35,795.70x = 49,398.12 × 19,879.74
  4. Step 4: Simplify right side
    35,795.70x = 982,021,782.09
  5. Step 5: Solve for x
    x = 982,021,782.09/35,795.70
  6. Step 6: Final answer
    x = 27,434.07

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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.