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Finding the Fourth Proportional to 65,259.81, 90,058.55 and 36,965.48

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Solution

The fourth proportional to 65,259.81, 90,058.55 and 36,965.48 is: 51,012.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,259.81 : 90,058.55 = 36,965.48 : x
  2. Step 2: Convert to fraction form
    65,259.81/90,058.55 = 36,965.48/x
  3. Step 3: Cross multiply
    65,259.81x = 90,058.55 × 36,965.48
  4. Step 4: Simplify right side
    65,259.81x = 3,329,056,893.73
  5. Step 5: Solve for x
    x = 3,329,056,893.73/65,259.81
  6. Step 6: Final answer
    x = 51,012.36

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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.