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Finding the Fourth Proportional to 58,354.70, 80,537.26 and 34,163.07

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Solution

The fourth proportional to 58,354.70, 80,537.26 and 34,163.07 is: 47,149.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,354.70 : 80,537.26 = 34,163.07 : x
  2. Step 2: Convert to fraction form
    58,354.70/80,537.26 = 34,163.07/x
  3. Step 3: Cross multiply
    58,354.70x = 80,537.26 × 34,163.07
  4. Step 4: Simplify right side
    58,354.70x = 2,751,399,823.71
  5. Step 5: Solve for x
    x = 2,751,399,823.71/58,354.70
  6. Step 6: Final answer
    x = 47,149.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.