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Finding the Fourth Proportional to 18,164.68, 27,247.53 and 5,017.05

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Solution

The fourth proportional to 18,164.68, 27,247.53 and 5,017.05 is: 7,525.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,164.68 : 27,247.53 = 5,017.05 : x
  2. Step 2: Convert to fraction form
    18,164.68/27,247.53 = 5,017.05/x
  3. Step 3: Cross multiply
    18,164.68x = 27,247.53 × 5,017.05
  4. Step 4: Simplify right side
    18,164.68x = 136,702,220.39
  5. Step 5: Solve for x
    x = 136,702,220.39/18,164.68
  6. Step 6: Final answer
    x = 7,525.72

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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.