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Finding the Fourth Proportional to 34,645.86, 51,955.02 and 12,452.40

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Solution

The fourth proportional to 34,645.86, 51,955.02 and 12,452.40 is: 18,673.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,645.86 : 51,955.02 = 12,452.40 : x
  2. Step 2: Convert to fraction form
    34,645.86/51,955.02 = 12,452.40/x
  3. Step 3: Cross multiply
    34,645.86x = 51,955.02 × 12,452.40
  4. Step 4: Simplify right side
    34,645.86x = 646,964,691.05
  5. Step 5: Solve for x
    x = 646,964,691.05/34,645.86
  6. Step 6: Final answer
    x = 18,673.65

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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.