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Finding the Fourth Proportional to 8,028.41, 11,078.94 and 4,443.15

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Solution

The fourth proportional to 8,028.41, 11,078.94 and 4,443.15 is: 6,131.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,028.41 : 11,078.94 = 4,443.15 : x
  2. Step 2: Convert to fraction form
    8,028.41/11,078.94 = 4,443.15/x
  3. Step 3: Cross multiply
    8,028.41x = 11,078.94 × 4,443.15
  4. Step 4: Simplify right side
    8,028.41x = 49,225,392.26
  5. Step 5: Solve for x
    x = 49,225,392.26/8,028.41
  6. Step 6: Final answer
    x = 6,131.40

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Half scale
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Double scale
Find fourth proportional to 8,029.41, 11,080.32 and 4,444.15
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.