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Finding the Fourth Proportional to 49,980.90, 74,975.21 and 16,701.08

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Solution

The fourth proportional to 49,980.90, 74,975.21 and 16,701.08 is: 25,052.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,980.90 : 74,975.21 = 16,701.08 : x
  2. Step 2: Convert to fraction form
    49,980.90/74,975.21 = 16,701.08/x
  3. Step 3: Cross multiply
    49,980.90x = 74,975.21 × 16,701.08
  4. Step 4: Simplify right side
    49,980.90x = 1,252,166,842.31
  5. Step 5: Solve for x
    x = 1,252,166,842.31/49,980.90
  6. Step 6: Final answer
    x = 25,052.91

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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.