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Finding the Fourth Proportional to 12,394.86, 18,602.91 and 5,004.62

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Solution

The fourth proportional to 12,394.86, 18,602.91 and 5,004.62 is: 7,511.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,394.86 : 18,602.91 = 5,004.62 : x
  2. Step 2: Convert to fraction form
    12,394.86/18,602.91 = 5,004.62/x
  3. Step 3: Cross multiply
    12,394.86x = 18,602.91 × 5,004.62
  4. Step 4: Simplify right side
    12,394.86x = 93,100,472.19
  5. Step 5: Solve for x
    x = 93,100,472.19/12,394.86
  6. Step 6: Final answer
    x = 7,511.22

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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.