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Finding the Fourth Proportional to 63,072, 94,608 and 25,652.43

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Solution

The fourth proportional to 63,072, 94,608 and 25,652.43 is: 38,478.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,072 : 94,608 = 25,652.43 : x
  2. Step 2: Convert to fraction form
    63,072/94,608 = 25,652.43/x
  3. Step 3: Cross multiply
    63,072x = 94,608 × 25,652.43
  4. Step 4: Simplify right side
    63,072x = 2,426,925,097.44
  5. Step 5: Solve for x
    x = 2,426,925,097.44/63,072
  6. Step 6: Final answer
    x = 38,478.65

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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.