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Finding the Fourth Proportional to 18,035.10, 27,015.03 and 14,506.05

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Solution

The fourth proportional to 18,035.10, 27,015.03 and 14,506.05 is: 21,728.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,035.10 : 27,015.03 = 14,506.05 : x
  2. Step 2: Convert to fraction form
    18,035.10/27,015.03 = 14,506.05/x
  3. Step 3: Cross multiply
    18,035.10x = 27,015.03 × 14,506.05
  4. Step 4: Simplify right side
    18,035.10x = 391,881,375.93
  5. Step 5: Solve for x
    x = 391,881,375.93/18,035.10
  6. Step 6: Final answer
    x = 21,728.82

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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.