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Finding the Fourth Proportional to 9,424.50, 13,063.79 and 9,267.63

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Solution

The fourth proportional to 9,424.50, 13,063.79 and 9,267.63 is: 12,846.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,424.50 : 13,063.79 = 9,267.63 : x
  2. Step 2: Convert to fraction form
    9,424.50/13,063.79 = 9,267.63/x
  3. Step 3: Cross multiply
    9,424.50x = 13,063.79 × 9,267.63
  4. Step 4: Simplify right side
    9,424.50x = 121,070,325.78
  5. Step 5: Solve for x
    x = 121,070,325.78/9,424.50
  6. Step 6: Final answer
    x = 12,846.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.