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Finding the Fourth Proportional to 54,751.02, 82,125.99 and 17,815.02

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Solution

The fourth proportional to 54,751.02, 82,125.99 and 17,815.02 is: 26,722.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,751.02 : 82,125.99 = 17,815.02 : x
  2. Step 2: Convert to fraction form
    54,751.02/82,125.99 = 17,815.02/x
  3. Step 3: Cross multiply
    54,751.02x = 82,125.99 × 17,815.02
  4. Step 4: Simplify right side
    54,751.02x = 1,463,076,154.37
  5. Step 5: Solve for x
    x = 1,463,076,154.37/54,751.02
  6. Step 6: Final answer
    x = 26,722.35

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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.