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Finding the Fourth Proportional to 14,466.96, 19,961.16 and 8,804.64

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Solution

The fourth proportional to 14,466.96, 19,961.16 and 8,804.64 is: 12,148.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,466.96 : 19,961.16 = 8,804.64 : x
  2. Step 2: Convert to fraction form
    14,466.96/19,961.16 = 8,804.64/x
  3. Step 3: Cross multiply
    14,466.96x = 19,961.16 × 8,804.64
  4. Step 4: Simplify right side
    14,466.96x = 175,750,827.78
  5. Step 5: Solve for x
    x = 175,750,827.78/14,466.96
  6. Step 6: Final answer
    x = 12,148.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.