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Finding the Fourth Proportional to 52,893, 79,342.74 and 15,957

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Solution

The fourth proportional to 52,893, 79,342.74 and 15,957 is: 23,936.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,893 : 79,342.74 = 15,957 : x
  2. Step 2: Convert to fraction form
    52,893/79,342.74 = 15,957/x
  3. Step 3: Cross multiply
    52,893x = 79,342.74 × 15,957
  4. Step 4: Simplify right side
    52,893x = 1,266,072,102.18
  5. Step 5: Solve for x
    x = 1,266,072,102.18/52,893
  6. Step 6: Final answer
    x = 23,936.48

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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.