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Finding the Fourth Proportional to 28,765, 43,151.82 and 10,301.32

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Solution

The fourth proportional to 28,765, 43,151.82 and 10,301.32 is: 15,453.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,765 : 43,151.82 = 10,301.32 : x
  2. Step 2: Convert to fraction form
    28,765/43,151.82 = 10,301.32/x
  3. Step 3: Cross multiply
    28,765x = 43,151.82 × 10,301.32
  4. Step 4: Simplify right side
    28,765x = 444,520,706.40
  5. Step 5: Solve for x
    x = 444,520,706.40/28,765
  6. Step 6: Final answer
    x = 15,453.53

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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.