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Finding the Fourth Proportional to 12,367.96, 18,552.72 and 4,045.72

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Solution

The fourth proportional to 12,367.96, 18,552.72 and 4,045.72 is: 6,068.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,367.96 : 18,552.72 = 4,045.72 : x
  2. Step 2: Convert to fraction form
    12,367.96/18,552.72 = 4,045.72/x
  3. Step 3: Cross multiply
    12,367.96x = 18,552.72 × 4,045.72
  4. Step 4: Simplify right side
    12,367.96x = 75,059,110.36
  5. Step 5: Solve for x
    x = 75,059,110.36/12,367.96
  6. Step 6: Final answer
    x = 6,068.84

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1.5x scale

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.