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Finding the Fourth Proportional to 8,951.99, 13,449.65 and 7,902.23

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Solution

The fourth proportional to 8,951.99, 13,449.65 and 7,902.23 is: 11,872.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,951.99 : 13,449.65 = 7,902.23 : x
  2. Step 2: Convert to fraction form
    8,951.99/13,449.65 = 7,902.23/x
  3. Step 3: Cross multiply
    8,951.99x = 13,449.65 × 7,902.23
  4. Step 4: Simplify right side
    8,951.99x = 106,282,120.96
  5. Step 5: Solve for x
    x = 106,282,120.96/8,951.99
  6. Step 6: Final answer
    x = 11,872.46

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Half scale
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Double scale
Find fourth proportional to 8,952.99, 13,451.15 and 7,903.23
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.