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Finding the Fourth Proportional to 61,631.81, 92,447.82 and 14,884.68

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Solution

The fourth proportional to 61,631.81, 92,447.82 and 14,884.68 is: 22,327.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,631.81 : 92,447.82 = 14,884.68 : x
  2. Step 2: Convert to fraction form
    61,631.81/92,447.82 = 14,884.68/x
  3. Step 3: Cross multiply
    61,631.81x = 92,447.82 × 14,884.68
  4. Step 4: Simplify right side
    61,631.81x = 1,376,056,217.40
  5. Step 5: Solve for x
    x = 1,376,056,217.40/61,631.81
  6. Step 6: Final answer
    x = 22,327.05

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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.