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Finding the Fourth Proportional to 13,468.87, 20,194.19 and 4,699

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Solution

The fourth proportional to 13,468.87, 20,194.19 and 4,699 is: 7,045.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,468.87 : 20,194.19 = 4,699 : x
  2. Step 2: Convert to fraction form
    13,468.87/20,194.19 = 4,699/x
  3. Step 3: Cross multiply
    13,468.87x = 20,194.19 × 4,699
  4. Step 4: Simplify right side
    13,468.87x = 94,892,498.81
  5. Step 5: Solve for x
    x = 94,892,498.81/13,468.87
  6. Step 6: Final answer
    x = 7,045.32

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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.