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Finding the Fourth Proportional to 61,620.12, 92,430.22 and 14,873

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Solution

The fourth proportional to 61,620.12, 92,430.22 and 14,873 is: 22,309.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,620.12 : 92,430.22 = 14,873 : x
  2. Step 2: Convert to fraction form
    61,620.12/92,430.22 = 14,873/x
  3. Step 3: Cross multiply
    61,620.12x = 92,430.22 × 14,873
  4. Step 4: Simplify right side
    61,620.12x = 1,374,714,662.06
  5. Step 5: Solve for x
    x = 1,374,714,662.06/61,620.12
  6. Step 6: Final answer
    x = 22,309.51

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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.