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Finding the Fourth Proportional to 45,658.85, 63,027.84 and 39,259.74

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Solution

The fourth proportional to 45,658.85, 63,027.84 and 39,259.74 is: 54,194.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,658.85 : 63,027.84 = 39,259.74 : x
  2. Step 2: Convert to fraction form
    45,658.85/63,027.84 = 39,259.74/x
  3. Step 3: Cross multiply
    45,658.85x = 63,027.84 × 39,259.74
  4. Step 4: Simplify right side
    45,658.85x = 2,474,456,611.16
  5. Step 5: Solve for x
    x = 2,474,456,611.16/45,658.85
  6. Step 6: Final answer
    x = 54,194.46

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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.