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Finding the Fourth Proportional to 9,814.80, 14,722.20 and 7,625.10

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Solution

The fourth proportional to 9,814.80, 14,722.20 and 7,625.10 is: 11,437.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,814.80 : 14,722.20 = 7,625.10 : x
  2. Step 2: Convert to fraction form
    9,814.80/14,722.20 = 7,625.10/x
  3. Step 3: Cross multiply
    9,814.80x = 14,722.20 × 7,625.10
  4. Step 4: Simplify right side
    9,814.80x = 112,258,247.22
  5. Step 5: Solve for x
    x = 112,258,247.22/9,814.80
  6. Step 6: Final answer
    x = 11,437.65

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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.