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Finding the Fourth Proportional to 69,397.72, 104,096.85 and 16,807.26

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Solution

The fourth proportional to 69,397.72, 104,096.85 and 16,807.26 is: 25,210.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,397.72 : 104,096.85 = 16,807.26 : x
  2. Step 2: Convert to fraction form
    69,397.72/104,096.85 = 16,807.26/x
  3. Step 3: Cross multiply
    69,397.72x = 104,096.85 × 16,807.26
  4. Step 4: Simplify right side
    69,397.72x = 1,749,582,823.13
  5. Step 5: Solve for x
    x = 1,749,582,823.13/69,397.72
  6. Step 6: Final answer
    x = 25,210.96

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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.