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Finding the Fourth Proportional to 8,674.16, 13,003.92 and 3,406.23

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Solution

The fourth proportional to 8,674.16, 13,003.92 and 3,406.23 is: 5,106.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,674.16 : 13,003.92 = 3,406.23 : x
  2. Step 2: Convert to fraction form
    8,674.16/13,003.92 = 3,406.23/x
  3. Step 3: Cross multiply
    8,674.16x = 13,003.92 × 3,406.23
  4. Step 4: Simplify right side
    8,674.16x = 44,294,342.42
  5. Step 5: Solve for x
    x = 44,294,342.42/8,674.16
  6. Step 6: Final answer
    x = 5,106.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.