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Finding the Fourth Proportional to 9,575.40, 14,363.10 and 8,554.80

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Solution

The fourth proportional to 9,575.40, 14,363.10 and 8,554.80 is: 12,832.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,575.40 : 14,363.10 = 8,554.80 : x
  2. Step 2: Convert to fraction form
    9,575.40/14,363.10 = 8,554.80/x
  3. Step 3: Cross multiply
    9,575.40x = 14,363.10 × 8,554.80
  4. Step 4: Simplify right side
    9,575.40x = 122,873,447.88
  5. Step 5: Solve for x
    x = 122,873,447.88/9,575.40
  6. Step 6: Final answer
    x = 12,832.20

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Similar ratio
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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.