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Finding the Fourth Proportional to 8,980.01, 13,470.02 and 3,433.92

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Solution

The fourth proportional to 8,980.01, 13,470.02 and 3,433.92 is: 5,150.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,980.01 : 13,470.02 = 3,433.92 : x
  2. Step 2: Convert to fraction form
    8,980.01/13,470.02 = 3,433.92/x
  3. Step 3: Cross multiply
    8,980.01x = 13,470.02 × 3,433.92
  4. Step 4: Simplify right side
    8,980.01x = 46,254,895.14
  5. Step 5: Solve for x
    x = 46,254,895.14/8,980.01
  6. Step 6: Final answer
    x = 5,150.87

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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.