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Finding the Fourth Proportional to 18,723,273.60, 28,053,417.60 and 16,014,892.80

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Solution

The fourth proportional to 18,723,273.60, 28,053,417.60 and 16,014,892.80 is: 23,995,401.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,723,273.60 : 28,053,417.60 = 16,014,892.80 : x
  2. Step 2: Convert to fraction form
    18,723,273.60/28,053,417.60 = 16,014,892.80/x
  3. Step 3: Cross multiply
    18,723,273.60x = 28,053,417.60 × 16,014,892.80
  4. Step 4: Simplify right side
    18,723,273.60x = 449,272,475,537,633.31
  5. Step 5: Solve for x
    x = 449,272,475,537,633.31/18,723,273.60
  6. Step 6: Final answer
    x = 23,995,401.93

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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.