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Finding the Fourth Proportional to 6,370.32, 8,788.08 and 4,246.92

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Solution

The fourth proportional to 6,370.32, 8,788.08 and 4,246.92 is: 5,858.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,370.32 : 8,788.08 = 4,246.92 : x
  2. Step 2: Convert to fraction form
    6,370.32/8,788.08 = 4,246.92/x
  3. Step 3: Cross multiply
    6,370.32x = 8,788.08 × 4,246.92
  4. Step 4: Simplify right side
    6,370.32x = 37,322,272.71
  5. Step 5: Solve for x
    x = 37,322,272.71/6,370.32
  6. Step 6: Final answer
    x = 5,858.78

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Half scale
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Double scale
Find fourth proportional to 6,371.32, 8,789.46 and 4,247.92
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.