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Finding the Fourth Proportional to 61,871.31, 92,825.37 and 19,754.10

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Solution

The fourth proportional to 61,871.31, 92,825.37 and 19,754.10 is: 29,637.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,871.31 : 92,825.37 = 19,754.10 : x
  2. Step 2: Convert to fraction form
    61,871.31/92,825.37 = 19,754.10/x
  3. Step 3: Cross multiply
    61,871.31x = 92,825.37 × 19,754.10
  4. Step 4: Simplify right side
    61,871.31x = 1,833,681,641.52
  5. Step 5: Solve for x
    x = 1,833,681,641.52/61,871.31
  6. Step 6: Final answer
    x = 29,637.03

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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.