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Finding the Fourth Proportional to 9,676.45, 14,521.14 and 3,520.45

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Solution

The fourth proportional to 9,676.45, 14,521.14 and 3,520.45 is: 5,283.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,676.45 : 14,521.14 = 3,520.45 : x
  2. Step 2: Convert to fraction form
    9,676.45/14,521.14 = 3,520.45/x
  3. Step 3: Cross multiply
    9,676.45x = 14,521.14 × 3,520.45
  4. Step 4: Simplify right side
    9,676.45x = 51,120,874.71
  5. Step 5: Solve for x
    x = 51,120,874.71/9,676.45
  6. Step 6: Final answer
    x = 5,283.02

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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.