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Finding the Fourth Proportional to 115,225, 172,837.52 and 27,673

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Solution

The fourth proportional to 115,225, 172,837.52 and 27,673 is: 41,509.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,225 : 172,837.52 = 27,673 : x
  2. Step 2: Convert to fraction form
    115,225/172,837.52 = 27,673/x
  3. Step 3: Cross multiply
    115,225x = 172,837.52 × 27,673
  4. Step 4: Simplify right side
    115,225x = 4,782,932,690.96
  5. Step 5: Solve for x
    x = 4,782,932,690.96/115,225
  6. Step 6: Final answer
    x = 41,509.50

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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.