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Finding the Fourth Proportional to 8,393.30, 11,583.64 and 4,808.54

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Solution

The fourth proportional to 8,393.30, 11,583.64 and 4,808.54 is: 6,636.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,393.30 : 11,583.64 = 4,808.54 : x
  2. Step 2: Convert to fraction form
    8,393.30/11,583.64 = 4,808.54/x
  3. Step 3: Cross multiply
    8,393.30x = 11,583.64 × 4,808.54
  4. Step 4: Simplify right side
    8,393.30x = 55,700,396.29
  5. Step 5: Solve for x
    x = 55,700,396.29/8,393.30
  6. Step 6: Final answer
    x = 6,636.29

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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.