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Finding the Fourth Proportional to 61,738.03, 92,607.05 and 14,990.59

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Solution

The fourth proportional to 61,738.03, 92,607.05 and 14,990.59 is: 22,485.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,738.03 : 92,607.05 = 14,990.59 : x
  2. Step 2: Convert to fraction form
    61,738.03/92,607.05 = 14,990.59/x
  3. Step 3: Cross multiply
    61,738.03x = 92,607.05 × 14,990.59
  4. Step 4: Simplify right side
    61,738.03x = 1,388,234,317.66
  5. Step 5: Solve for x
    x = 1,388,234,317.66/61,738.03
  6. Step 6: Final answer
    x = 22,485.89

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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.