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Finding the Fourth Proportional to 6,384.09, 8,810.12 and 3,589.59

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Solution

The fourth proportional to 6,384.09, 8,810.12 and 3,589.59 is: 4,953.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,384.09 : 8,810.12 = 3,589.59 : x
  2. Step 2: Convert to fraction form
    6,384.09/8,810.12 = 3,589.59/x
  3. Step 3: Cross multiply
    6,384.09x = 8,810.12 × 3,589.59
  4. Step 4: Simplify right side
    6,384.09x = 31,624,727.62
  5. Step 5: Solve for x
    x = 31,624,727.62/6,384.09
  6. Step 6: Final answer
    x = 4,953.68

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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.