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Finding the Fourth Proportional to 61,539.72, 92,309.55 and 14,792.58

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Solution

The fourth proportional to 61,539.72, 92,309.55 and 14,792.58 is: 22,188.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,539.72 : 92,309.55 = 14,792.58 : x
  2. Step 2: Convert to fraction form
    61,539.72/92,309.55 = 14,792.58/x
  3. Step 3: Cross multiply
    61,539.72x = 92,309.55 × 14,792.58
  4. Step 4: Simplify right side
    61,539.72x = 1,365,496,403.14
  5. Step 5: Solve for x
    x = 1,365,496,403.14/61,539.72
  6. Step 6: Final answer
    x = 22,188.86

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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.