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Finding the Fourth Proportional to 60,062.36, 90,095.72 and 20,619.24

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Solution

The fourth proportional to 60,062.36, 90,095.72 and 20,619.24 is: 30,929.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,062.36 : 90,095.72 = 20,619.24 : x
  2. Step 2: Convert to fraction form
    60,062.36/90,095.72 = 20,619.24/x
  3. Step 3: Cross multiply
    60,062.36x = 90,095.72 × 20,619.24
  4. Step 4: Simplify right side
    60,062.36x = 1,857,705,273.65
  5. Step 5: Solve for x
    x = 1,857,705,273.65/60,062.36
  6. Step 6: Final answer
    x = 30,929.61

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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.