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Finding the Fourth Proportional to 9,063.64, 12,504.21 and 5,520.70

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Solution

The fourth proportional to 9,063.64, 12,504.21 and 5,520.70 is: 7,616.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,063.64 : 12,504.21 = 5,520.70 : x
  2. Step 2: Convert to fraction form
    9,063.64/12,504.21 = 5,520.70/x
  3. Step 3: Cross multiply
    9,063.64x = 12,504.21 × 5,520.70
  4. Step 4: Simplify right side
    9,063.64x = 69,031,992.15
  5. Step 5: Solve for x
    x = 69,031,992.15/9,063.64
  6. Step 6: Final answer
    x = 7,616.37

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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.