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Finding the Fourth Proportional to 18,146.76, 27,225.18 and 10,361.04

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Solution

The fourth proportional to 18,146.76, 27,225.18 and 10,361.04 is: 15,544.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,146.76 : 27,225.18 = 10,361.04 : x
  2. Step 2: Convert to fraction form
    18,146.76/27,225.18 = 10,361.04/x
  3. Step 3: Cross multiply
    18,146.76x = 27,225.18 × 10,361.04
  4. Step 4: Simplify right side
    18,146.76x = 282,081,178.99
  5. Step 5: Solve for x
    x = 282,081,178.99/18,146.76
  6. Step 6: Final answer
    x = 15,544.44

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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.