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Finding the Fourth Proportional to 18,636.94, 27,955.41 and 4,596.94

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Solution

The fourth proportional to 18,636.94, 27,955.41 and 4,596.94 is: 6,895.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,636.94 : 27,955.41 = 4,596.94 : x
  2. Step 2: Convert to fraction form
    18,636.94/27,955.41 = 4,596.94/x
  3. Step 3: Cross multiply
    18,636.94x = 27,955.41 × 4,596.94
  4. Step 4: Simplify right side
    18,636.94x = 128,509,342.45
  5. Step 5: Solve for x
    x = 128,509,342.45/18,636.94
  6. Step 6: Final answer
    x = 6,895.41

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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.