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Finding the Fourth Proportional to 18,435.64, 27,653.46 and 6,746.17

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Solution

The fourth proportional to 18,435.64, 27,653.46 and 6,746.17 is: 10,119.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,435.64 : 27,653.46 = 6,746.17 : x
  2. Step 2: Convert to fraction form
    18,435.64/27,653.46 = 6,746.17/x
  3. Step 3: Cross multiply
    18,435.64x = 27,653.46 × 6,746.17
  4. Step 4: Simplify right side
    18,435.64x = 186,554,942.25
  5. Step 5: Solve for x
    x = 186,554,942.25/18,435.64
  6. Step 6: Final answer
    x = 10,119.26

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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.