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Finding the Fourth Proportional to 6,283.32, 8,645.40 and 5,764.92

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Solution

The fourth proportional to 6,283.32, 8,645.40 and 5,764.92 is: 7,932.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,283.32 : 8,645.40 = 5,764.92 : x
  2. Step 2: Convert to fraction form
    6,283.32/8,645.40 = 5,764.92/x
  3. Step 3: Cross multiply
    6,283.32x = 8,645.40 × 5,764.92
  4. Step 4: Simplify right side
    6,283.32x = 49,840,039.37
  5. Step 5: Solve for x
    x = 49,840,039.37/6,283.32
  6. Step 6: Final answer
    x = 7,932.12

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.