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Finding the Fourth Proportional to 9,676.32, 14,514.48 and 3,520.80

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Solution

The fourth proportional to 9,676.32, 14,514.48 and 3,520.80 is: 5,281.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,676.32 : 14,514.48 = 3,520.80 : x
  2. Step 2: Convert to fraction form
    9,676.32/14,514.48 = 3,520.80/x
  3. Step 3: Cross multiply
    9,676.32x = 14,514.48 × 3,520.80
  4. Step 4: Simplify right side
    9,676.32x = 51,102,581.18
  5. Step 5: Solve for x
    x = 51,102,581.18/9,676.32
  6. Step 6: Final answer
    x = 5,281.20

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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.