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Finding the Fourth Proportional to 9,245.41, 13,868.11 and 8,443.51

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Solution

The fourth proportional to 9,245.41, 13,868.11 and 8,443.51 is: 12,665.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,245.41 : 13,868.11 = 8,443.51 : x
  2. Step 2: Convert to fraction form
    9,245.41/13,868.11 = 8,443.51/x
  3. Step 3: Cross multiply
    9,245.41x = 13,868.11 × 8,443.51
  4. Step 4: Simplify right side
    9,245.41x = 117,095,501.35
  5. Step 5: Solve for x
    x = 117,095,501.35/9,245.41
  6. Step 6: Final answer
    x = 12,665.26

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Double scale
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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.