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Finding the Fourth Proportional to 50,581.26, 75,918.48 and 25,639

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Solution

The fourth proportional to 50,581.26, 75,918.48 and 25,639 is: 38,482.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,581.26 : 75,918.48 = 25,639 : x
  2. Step 2: Convert to fraction form
    50,581.26/75,918.48 = 25,639/x
  3. Step 3: Cross multiply
    50,581.26x = 75,918.48 × 25,639
  4. Step 4: Simplify right side
    50,581.26x = 1,946,473,908.72
  5. Step 5: Solve for x
    x = 1,946,473,908.72/50,581.26
  6. Step 6: Final answer
    x = 38,482.12

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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.