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Finding the Fourth Proportional to 50,408.63, 69,565.64 and 27,749.08

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Solution

The fourth proportional to 50,408.63, 69,565.64 and 27,749.08 is: 38,294.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,408.63 : 69,565.64 = 27,749.08 : x
  2. Step 2: Convert to fraction form
    50,408.63/69,565.64 = 27,749.08/x
  3. Step 3: Cross multiply
    50,408.63x = 69,565.64 × 27,749.08
  4. Step 4: Simplify right side
    50,408.63x = 1,930,382,457.82
  5. Step 5: Solve for x
    x = 1,930,382,457.82/50,408.63
  6. Step 6: Final answer
    x = 38,294.68

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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.