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Finding the Fourth Proportional to 73,051.39, 109,576.51 and 39,333.21

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Solution

The fourth proportional to 73,051.39, 109,576.51 and 39,333.21 is: 58,999.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,051.39 : 109,576.51 = 39,333.21 : x
  2. Step 2: Convert to fraction form
    73,051.39/109,576.51 = 39,333.21/x
  3. Step 3: Cross multiply
    73,051.39x = 109,576.51 × 39,333.21
  4. Step 4: Simplify right side
    73,051.39x = 4,309,995,517.15
  5. Step 5: Solve for x
    x = 4,309,995,517.15/73,051.39
  6. Step 6: Final answer
    x = 58,999.50

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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.