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Finding the Fourth Proportional to 53,866.69, 80,800.03 and 16,930.69

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Solution

The fourth proportional to 53,866.69, 80,800.03 and 16,930.69 is: 25,396.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,866.69 : 80,800.03 = 16,930.69 : x
  2. Step 2: Convert to fraction form
    53,866.69/80,800.03 = 16,930.69/x
  3. Step 3: Cross multiply
    53,866.69x = 80,800.03 × 16,930.69
  4. Step 4: Simplify right side
    53,866.69x = 1,368,000,079.08
  5. Step 5: Solve for x
    x = 1,368,000,079.08/53,866.69
  6. Step 6: Final answer
    x = 25,396.03

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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.