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Finding the Fourth Proportional to 18,373.19, 27,572.04 and 11,804.09

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Solution

The fourth proportional to 18,373.19, 27,572.04 and 11,804.09 is: 17,714.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,373.19 : 27,572.04 = 11,804.09 : x
  2. Step 2: Convert to fraction form
    18,373.19/27,572.04 = 11,804.09/x
  3. Step 3: Cross multiply
    18,373.19x = 27,572.04 × 11,804.09
  4. Step 4: Simplify right side
    18,373.19x = 325,462,841.64
  5. Step 5: Solve for x
    x = 325,462,841.64/18,373.19
  6. Step 6: Final answer
    x = 17,714.01

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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.