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Finding the Fourth Proportional to 75,019.56, 103,525.74 and 41,485.56

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Solution

The fourth proportional to 75,019.56, 103,525.74 and 41,485.56 is: 57,249.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,019.56 : 103,525.74 = 41,485.56 : x
  2. Step 2: Convert to fraction form
    75,019.56/103,525.74 = 41,485.56/x
  3. Step 3: Cross multiply
    75,019.56x = 103,525.74 × 41,485.56
  4. Step 4: Simplify right side
    75,019.56x = 4,294,823,298.31
  5. Step 5: Solve for x
    x = 4,294,823,298.31/75,019.56
  6. Step 6: Final answer
    x = 57,249.38

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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.