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Finding the Fourth Proportional to 9,480.94, 14,221.40 and 3,241

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Solution

The fourth proportional to 9,480.94, 14,221.40 and 3,241 is: 4,861.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,480.94 : 14,221.40 = 3,241 : x
  2. Step 2: Convert to fraction form
    9,480.94/14,221.40 = 3,241/x
  3. Step 3: Cross multiply
    9,480.94x = 14,221.40 × 3,241
  4. Step 4: Simplify right side
    9,480.94x = 46,091,557.40
  5. Step 5: Solve for x
    x = 46,091,557.40/9,480.94
  6. Step 6: Final answer
    x = 4,861.50

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Double scale
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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.