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Finding the Fourth Proportional to 71,359.80, 107,039.96 and 23,973.56

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Solution

The fourth proportional to 71,359.80, 107,039.96 and 23,973.56 is: 35,960.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,359.80 : 107,039.96 = 23,973.56 : x
  2. Step 2: Convert to fraction form
    71,359.80/107,039.96 = 23,973.56/x
  3. Step 3: Cross multiply
    71,359.80x = 107,039.96 × 23,973.56
  4. Step 4: Simplify right side
    71,359.80x = 2,566,128,903.46
  5. Step 5: Solve for x
    x = 2,566,128,903.46/71,359.80
  6. Step 6: Final answer
    x = 35,960.43

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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.