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Finding the Fourth Proportional to 19,530, 26,951.51 and 10,577.53

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Solution

The fourth proportional to 19,530, 26,951.51 and 10,577.53 is: 14,597.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,530 : 26,951.51 = 10,577.53 : x
  2. Step 2: Convert to fraction form
    19,530/26,951.51 = 10,577.53/x
  3. Step 3: Cross multiply
    19,530x = 26,951.51 × 10,577.53
  4. Step 4: Simplify right side
    19,530x = 285,080,285.30
  5. Step 5: Solve for x
    x = 285,080,285.30/19,530
  6. Step 6: Final answer
    x = 14,597.04

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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.