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Finding the Fourth Proportional to 61,014.12, 91,486.13 and 32,515.98

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Solution

The fourth proportional to 61,014.12, 91,486.13 and 32,515.98 is: 48,755.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,014.12 : 91,486.13 = 32,515.98 : x
  2. Step 2: Convert to fraction form
    61,014.12/91,486.13 = 32,515.98/x
  3. Step 3: Cross multiply
    61,014.12x = 91,486.13 × 32,515.98
  4. Step 4: Simplify right side
    61,014.12x = 2,974,760,667.70
  5. Step 5: Solve for x
    x = 2,974,760,667.70/61,014.12
  6. Step 6: Final answer
    x = 48,755.29

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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.