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Finding the Fourth Proportional to 43,324.31, 64,986.48 and 15,622.31

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Solution

The fourth proportional to 43,324.31, 64,986.48 and 15,622.31 is: 23,433.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,324.31 : 64,986.48 = 15,622.31 : x
  2. Step 2: Convert to fraction form
    43,324.31/64,986.48 = 15,622.31/x
  3. Step 3: Cross multiply
    43,324.31x = 64,986.48 × 15,622.31
  4. Step 4: Simplify right side
    43,324.31x = 1,015,239,098.84
  5. Step 5: Solve for x
    x = 1,015,239,098.84/43,324.31
  6. Step 6: Final answer
    x = 23,433.47

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1.5x scale

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.