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Finding the Fourth Proportional to 43,978.28, 65,970.48 and 17,683.04

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Solution

The fourth proportional to 43,978.28, 65,970.48 and 17,683.04 is: 26,525.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,978.28 : 65,970.48 = 17,683.04 : x
  2. Step 2: Convert to fraction form
    43,978.28/65,970.48 = 17,683.04/x
  3. Step 3: Cross multiply
    43,978.28x = 65,970.48 × 17,683.04
  4. Step 4: Simplify right side
    43,978.28x = 1,166,558,636.66
  5. Step 5: Solve for x
    x = 1,166,558,636.66/43,978.28
  6. Step 6: Final answer
    x = 26,525.79

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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.