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Finding the Fourth Proportional to 61,434.88, 92,153.16 and 21,994.48

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Solution

The fourth proportional to 61,434.88, 92,153.16 and 21,994.48 is: 32,992.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,434.88 : 92,153.16 = 21,994.48 : x
  2. Step 2: Convert to fraction form
    61,434.88/92,153.16 = 21,994.48/x
  3. Step 3: Cross multiply
    61,434.88x = 92,153.16 × 21,994.48
  4. Step 4: Simplify right side
    61,434.88x = 2,026,860,834.56
  5. Step 5: Solve for x
    x = 2,026,860,834.56/61,434.88
  6. Step 6: Final answer
    x = 32,992.02

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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.