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Finding the Fourth Proportional to 15,000.41, 20,693.61 and 9,696.92

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Solution

The fourth proportional to 15,000.41, 20,693.61 and 9,696.92 is: 13,377.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,000.41 : 20,693.61 = 9,696.92 : x
  2. Step 2: Convert to fraction form
    15,000.41/20,693.61 = 9,696.92/x
  3. Step 3: Cross multiply
    15,000.41x = 20,693.61 × 9,696.92
  4. Step 4: Simplify right side
    15,000.41x = 200,664,280.68
  5. Step 5: Solve for x
    x = 200,664,280.68/15,000.41
  6. Step 6: Final answer
    x = 13,377.25

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1.5x scale

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.