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Finding the Fourth Proportional to 43,341.37, 65,008.81 and 15,639.37

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Solution

The fourth proportional to 43,341.37, 65,008.81 and 15,639.37 is: 23,457.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,341.37 : 65,008.81 = 15,639.37 : x
  2. Step 2: Convert to fraction form
    43,341.37/65,008.81 = 15,639.37/x
  3. Step 3: Cross multiply
    43,341.37x = 65,008.81 × 15,639.37
  4. Step 4: Simplify right side
    43,341.37x = 1,016,696,832.85
  5. Step 5: Solve for x
    x = 1,016,696,832.85/43,341.37
  6. Step 6: Final answer
    x = 23,457.88

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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.