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Finding the Fourth Proportional to 36,197.34, 49,950.93 and 20,280.99

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Solution

The fourth proportional to 36,197.34, 49,950.93 and 20,280.99 is: 27,986.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,197.34 : 49,950.93 = 20,280.99 : x
  2. Step 2: Convert to fraction form
    36,197.34/49,950.93 = 20,280.99/x
  3. Step 3: Cross multiply
    36,197.34x = 49,950.93 × 20,280.99
  4. Step 4: Simplify right side
    36,197.34x = 1,013,054,311.82
  5. Step 5: Solve for x
    x = 1,013,054,311.82/36,197.34
  6. Step 6: Final answer
    x = 27,986.98

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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.