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Finding the Fourth Proportional to 61,373.84, 92,060.75 and 19,260.42

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Solution

The fourth proportional to 61,373.84, 92,060.75 and 19,260.42 is: 28,890.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,373.84 : 92,060.75 = 19,260.42 : x
  2. Step 2: Convert to fraction form
    61,373.84/92,060.75 = 19,260.42/x
  3. Step 3: Cross multiply
    61,373.84x = 92,060.75 × 19,260.42
  4. Step 4: Simplify right side
    61,373.84x = 1,773,128,413.44
  5. Step 5: Solve for x
    x = 1,773,128,413.44/61,373.84
  6. Step 6: Final answer
    x = 28,890.62

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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.