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Finding the Fourth Proportional to 67,698.04, 93,423.22 and 37,890.04

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Solution

The fourth proportional to 67,698.04, 93,423.22 and 37,890.04 is: 52,288.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,698.04 : 93,423.22 = 37,890.04 : x
  2. Step 2: Convert to fraction form
    67,698.04/93,423.22 = 37,890.04/x
  3. Step 3: Cross multiply
    67,698.04x = 93,423.22 × 37,890.04
  4. Step 4: Simplify right side
    67,698.04x = 3,539,809,542.73
  5. Step 5: Solve for x
    x = 3,539,809,542.73/67,698.04
  6. Step 6: Final answer
    x = 52,288.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.