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Finding the Fourth Proportional to 14,626.67, 20,184.67 and 8,253.30

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Solution

The fourth proportional to 14,626.67, 20,184.67 and 8,253.30 is: 11,389.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,626.67 : 20,184.67 = 8,253.30 : x
  2. Step 2: Convert to fraction form
    14,626.67/20,184.67 = 8,253.30/x
  3. Step 3: Cross multiply
    14,626.67x = 20,184.67 × 8,253.30
  4. Step 4: Simplify right side
    14,626.67x = 166,590,095.64
  5. Step 5: Solve for x
    x = 166,590,095.64/14,626.67
  6. Step 6: Final answer
    x = 11,389.48

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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.