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Finding the Fourth Proportional to 87,328.72, 130,992.72 and 24,999.22

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Solution

The fourth proportional to 87,328.72, 130,992.72 and 24,999.22 is: 37,498.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,328.72 : 130,992.72 = 24,999.22 : x
  2. Step 2: Convert to fraction form
    87,328.72/130,992.72 = 24,999.22/x
  3. Step 3: Cross multiply
    87,328.72x = 130,992.72 × 24,999.22
  4. Step 4: Simplify right side
    87,328.72x = 3,274,715,825.68
  5. Step 5: Solve for x
    x = 3,274,715,825.68/87,328.72
  6. Step 6: Final answer
    x = 37,498.73

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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.