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Finding the Fourth Proportional to 61,894.75, 92,848.42 and 21,362.99

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Solution

The fourth proportional to 61,894.75, 92,848.42 and 21,362.99 is: 32,046.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,894.75 : 92,848.42 = 21,362.99 : x
  2. Step 2: Convert to fraction form
    61,894.75/92,848.42 = 21,362.99/x
  3. Step 3: Cross multiply
    61,894.75x = 92,848.42 × 21,362.99
  4. Step 4: Simplify right side
    61,894.75x = 1,983,519,982.75
  5. Step 5: Solve for x
    x = 1,983,519,982.75/61,894.75
  6. Step 6: Final answer
    x = 32,046.66

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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.