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Finding the Fourth Proportional to 42,051, 63,076.50 and 17,104.62

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Solution

The fourth proportional to 42,051, 63,076.50 and 17,104.62 is: 25,656.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,051 : 63,076.50 = 17,104.62 : x
  2. Step 2: Convert to fraction form
    42,051/63,076.50 = 17,104.62/x
  3. Step 3: Cross multiply
    42,051x = 63,076.50 × 17,104.62
  4. Step 4: Simplify right side
    42,051x = 1,078,899,563.43
  5. Step 5: Solve for x
    x = 1,078,899,563.43/42,051
  6. Step 6: Final answer
    x = 25,656.93

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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.