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Finding the Fourth Proportional to 43,059.01, 64,618.31 and 16,763.89

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Solution

The fourth proportional to 43,059.01, 64,618.31 and 16,763.89 is: 25,157.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,059.01 : 64,618.31 = 16,763.89 : x
  2. Step 2: Convert to fraction form
    43,059.01/64,618.31 = 16,763.89/x
  3. Step 3: Cross multiply
    43,059.01x = 64,618.31 × 16,763.89
  4. Step 4: Simplify right side
    43,059.01x = 1,083,254,240.83
  5. Step 5: Solve for x
    x = 1,083,254,240.83/43,059.01
  6. Step 6: Final answer
    x = 25,157.43

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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.