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Finding the Fourth Proportional to 18,037, 27,055.50 and 10,140.04

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Solution

The fourth proportional to 18,037, 27,055.50 and 10,140.04 is: 15,210.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,037 : 27,055.50 = 10,140.04 : x
  2. Step 2: Convert to fraction form
    18,037/27,055.50 = 10,140.04/x
  3. Step 3: Cross multiply
    18,037x = 27,055.50 × 10,140.04
  4. Step 4: Simplify right side
    18,037x = 274,343,852.22
  5. Step 5: Solve for x
    x = 274,343,852.22/18,037
  6. Step 6: Final answer
    x = 15,210.06

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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.