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Finding the Fourth Proportional to 18,152,025.24, 25,049,800.05 and 9,892,089.84

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Solution

The fourth proportional to 18,152,025.24, 25,049,800.05 and 9,892,089.84 is: 13,651,086.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,152,025.24 : 25,049,800.05 = 9,892,089.84 : x
  2. Step 2: Convert to fraction form
    18,152,025.24/25,049,800.05 = 9,892,089.84/x
  3. Step 3: Cross multiply
    18,152,025.24x = 25,049,800.05 × 9,892,089.84
  4. Step 4: Simplify right side
    18,152,025.24x = 247,794,872,568,636.50
  5. Step 5: Solve for x
    x = 247,794,872,568,636.50/18,152,025.24
  6. Step 6: Final answer
    x = 13,651,086.82

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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.