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Finding the Fourth Proportional to 72,026.91, 108,013.01 and 34,576.38

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Solution

The fourth proportional to 72,026.91, 108,013.01 and 34,576.38 is: 51,851.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,026.91 : 108,013.01 = 34,576.38 : x
  2. Step 2: Convert to fraction form
    72,026.91/108,013.01 = 34,576.38/x
  3. Step 3: Cross multiply
    72,026.91x = 108,013.01 × 34,576.38
  4. Step 4: Simplify right side
    72,026.91x = 3,734,698,705.82
  5. Step 5: Solve for x
    x = 3,734,698,705.82/72,026.91
  6. Step 6: Final answer
    x = 51,851.44

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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.