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Finding the Fourth Proportional to 52,984.69, 79,440.90 and 17,432.95

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Solution

The fourth proportional to 52,984.69, 79,440.90 and 17,432.95 is: 26,137.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,984.69 : 79,440.90 = 17,432.95 : x
  2. Step 2: Convert to fraction form
    52,984.69/79,440.90 = 17,432.95/x
  3. Step 3: Cross multiply
    52,984.69x = 79,440.90 × 17,432.95
  4. Step 4: Simplify right side
    52,984.69x = 1,384,889,389.66
  5. Step 5: Solve for x
    x = 1,384,889,389.66/52,984.69
  6. Step 6: Final answer
    x = 26,137.54

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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.