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Finding the Fourth Proportional to 28,805.68, 39,754.14 and 16,063

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Solution

The fourth proportional to 28,805.68, 39,754.14 and 16,063 is: 22,168.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,805.68 : 39,754.14 = 16,063 : x
  2. Step 2: Convert to fraction form
    28,805.68/39,754.14 = 16,063/x
  3. Step 3: Cross multiply
    28,805.68x = 39,754.14 × 16,063
  4. Step 4: Simplify right side
    28,805.68x = 638,570,750.82
  5. Step 5: Solve for x
    x = 638,570,750.82/28,805.68
  6. Step 6: Final answer
    x = 22,168.22

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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.