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Finding the Fourth Proportional to 28,587, 39,450.06 and 16,012.02

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Solution

The fourth proportional to 28,587, 39,450.06 and 16,012.02 is: 22,096.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,587 : 39,450.06 = 16,012.02 : x
  2. Step 2: Convert to fraction form
    28,587/39,450.06 = 16,012.02/x
  3. Step 3: Cross multiply
    28,587x = 39,450.06 × 16,012.02
  4. Step 4: Simplify right side
    28,587x = 631,675,149.72
  5. Step 5: Solve for x
    x = 631,675,149.72/28,587
  6. Step 6: Final answer
    x = 22,096.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.