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Finding the Fourth Proportional to 8,384.66, 11,570.96 and 4,608.20

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Solution

The fourth proportional to 8,384.66, 11,570.96 and 4,608.20 is: 6,359.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,384.66 : 11,570.96 = 4,608.20 : x
  2. Step 2: Convert to fraction form
    8,384.66/11,570.96 = 4,608.20/x
  3. Step 3: Cross multiply
    8,384.66x = 11,570.96 × 4,608.20
  4. Step 4: Simplify right side
    8,384.66x = 53,321,297.87
  5. Step 5: Solve for x
    x = 53,321,297.87/8,384.66
  6. Step 6: Final answer
    x = 6,359.39

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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.