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Finding the Fourth Proportional to 18,277.01, 27,411.41 and 8,406.81

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Solution

The fourth proportional to 18,277.01, 27,411.41 and 8,406.81 is: 12,608.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,277.01 : 27,411.41 = 8,406.81 : x
  2. Step 2: Convert to fraction form
    18,277.01/27,411.41 = 8,406.81/x
  3. Step 3: Cross multiply
    18,277.01x = 27,411.41 × 8,406.81
  4. Step 4: Simplify right side
    18,277.01x = 230,442,378.65
  5. Step 5: Solve for x
    x = 230,442,378.65/18,277.01
  6. Step 6: Final answer
    x = 12,608.32

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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.