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Finding the Fourth Proportional to 87,477.65, 131,222.39 and 29,751.39

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Solution

The fourth proportional to 87,477.65, 131,222.39 and 29,751.39 is: 44,629.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,477.65 : 131,222.39 = 29,751.39 : x
  2. Step 2: Convert to fraction form
    87,477.65/131,222.39 = 29,751.39/x
  3. Step 3: Cross multiply
    87,477.65x = 131,222.39 × 29,751.39
  4. Step 4: Simplify right side
    87,477.65x = 3,904,048,805.60
  5. Step 5: Solve for x
    x = 3,904,048,805.60/87,477.65
  6. Step 6: Final answer
    x = 44,629.10

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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.