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Finding the Fourth Proportional to 35,745.73, 49,330.73 and 19,830.19

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Solution

The fourth proportional to 35,745.73, 49,330.73 and 19,830.19 is: 27,366.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,745.73 : 49,330.73 = 19,830.19 : x
  2. Step 2: Convert to fraction form
    35,745.73/49,330.73 = 19,830.19/x
  3. Step 3: Cross multiply
    35,745.73x = 49,330.73 × 19,830.19
  4. Step 4: Simplify right side
    35,745.73x = 978,237,748.74
  5. Step 5: Solve for x
    x = 978,237,748.74/35,745.73
  6. Step 6: Final answer
    x = 27,366.56

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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.