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Finding the Fourth Proportional to 62,574.66, 93,803.67 and 20,992.50

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Solution

The fourth proportional to 62,574.66, 93,803.67 and 20,992.50 is: 31,469.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,574.66 : 93,803.67 = 20,992.50 : x
  2. Step 2: Convert to fraction form
    62,574.66/93,803.67 = 20,992.50/x
  3. Step 3: Cross multiply
    62,574.66x = 93,803.67 × 20,992.50
  4. Step 4: Simplify right side
    62,574.66x = 1,969,173,542.48
  5. Step 5: Solve for x
    x = 1,969,173,542.48/62,574.66
  6. Step 6: Final answer
    x = 31,469.18

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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.