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Finding the Fourth Proportional to 39,898.86, 59,847.93 and 15,274.86

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Solution

The fourth proportional to 39,898.86, 59,847.93 and 15,274.86 is: 22,912.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,898.86 : 59,847.93 = 15,274.86 : x
  2. Step 2: Convert to fraction form
    39,898.86/59,847.93 = 15,274.86/x
  3. Step 3: Cross multiply
    39,898.86x = 59,847.93 × 15,274.86
  4. Step 4: Simplify right side
    39,898.86x = 914,168,752.04
  5. Step 5: Solve for x
    x = 914,168,752.04/39,898.86
  6. Step 6: Final answer
    x = 22,912.15

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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.