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Finding the Fourth Proportional to 13,950.01, 20,928.08 and 4,589.65

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Solution

The fourth proportional to 13,950.01, 20,928.08 and 4,589.65 is: 6,885.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,950.01 : 20,928.08 = 4,589.65 : x
  2. Step 2: Convert to fraction form
    13,950.01/20,928.08 = 4,589.65/x
  3. Step 3: Cross multiply
    13,950.01x = 20,928.08 × 4,589.65
  4. Step 4: Simplify right side
    13,950.01x = 96,052,434.78
  5. Step 5: Solve for x
    x = 96,052,434.78/13,950.01
  6. Step 6: Final answer
    x = 6,885.48

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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.