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Finding the Fourth Proportional to 61,092.62, 91,653.27 and 18,970.52

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Solution

The fourth proportional to 61,092.62, 91,653.27 and 18,970.52 is: 28,460.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,092.62 : 91,653.27 = 18,970.52 : x
  2. Step 2: Convert to fraction form
    61,092.62/91,653.27 = 18,970.52/x
  3. Step 3: Cross multiply
    61,092.62x = 91,653.27 × 18,970.52
  4. Step 4: Simplify right side
    61,092.62x = 1,738,710,420.73
  5. Step 5: Solve for x
    x = 1,738,710,420.73/61,092.62
  6. Step 6: Final answer
    x = 28,460.24

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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.