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Finding the Fourth Proportional to 36,527.78, 54,758.77 and 13,137.77

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Solution

The fourth proportional to 36,527.78, 54,758.77 and 13,137.77 is: 19,694.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,527.78 : 54,758.77 = 13,137.77 : x
  2. Step 2: Convert to fraction form
    36,527.78/54,758.77 = 13,137.77/x
  3. Step 3: Cross multiply
    36,527.78x = 54,758.77 × 13,137.77
  4. Step 4: Simplify right side
    36,527.78x = 719,408,125.74
  5. Step 5: Solve for x
    x = 719,408,125.74/36,527.78
  6. Step 6: Final answer
    x = 19,694.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.