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Finding the Fourth Proportional to 35,992.96, 49,670.60 and 19,860.98

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Solution

The fourth proportional to 35,992.96, 49,670.60 and 19,860.98 is: 27,408.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,992.96 : 49,670.60 = 19,860.98 : x
  2. Step 2: Convert to fraction form
    35,992.96/49,670.60 = 19,860.98/x
  3. Step 3: Cross multiply
    35,992.96x = 49,670.60 × 19,860.98
  4. Step 4: Simplify right side
    35,992.96x = 986,507,129.98
  5. Step 5: Solve for x
    x = 986,507,129.98/35,992.96
  6. Step 6: Final answer
    x = 27,408.34

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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.