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Finding the Fourth Proportional to 14,676.45, 20,252.16 and 8,303.62

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Solution

The fourth proportional to 14,676.45, 20,252.16 and 8,303.62 is: 11,458.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,676.45 : 20,252.16 = 8,303.62 : x
  2. Step 2: Convert to fraction form
    14,676.45/20,252.16 = 8,303.62/x
  3. Step 3: Cross multiply
    14,676.45x = 20,252.16 × 8,303.62
  4. Step 4: Simplify right side
    14,676.45x = 168,166,240.82
  5. Step 5: Solve for x
    x = 168,166,240.82/14,676.45
  6. Step 6: Final answer
    x = 11,458.24

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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.