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Finding the Fourth Proportional to 18,490.01, 27,734.94 and 4,639.01

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Solution

The fourth proportional to 18,490.01, 27,734.94 and 4,639.01 is: 6,958.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,490.01 : 27,734.94 = 4,639.01 : x
  2. Step 2: Convert to fraction form
    18,490.01/27,734.94 = 4,639.01/x
  3. Step 3: Cross multiply
    18,490.01x = 27,734.94 × 4,639.01
  4. Step 4: Simplify right side
    18,490.01x = 128,662,525.33
  5. Step 5: Solve for x
    x = 128,662,525.33/18,490.01
  6. Step 6: Final answer
    x = 6,958.49

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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.