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Finding the Fourth Proportional to 8,980.00, 13,470.10 and 3,433.62

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Solution

The fourth proportional to 8,980.00, 13,470.10 and 3,433.62 is: 5,150.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,980.00 : 13,470.10 = 3,433.62 : x
  2. Step 2: Convert to fraction form
    8,980.00/13,470.10 = 3,433.62/x
  3. Step 3: Cross multiply
    8,980.00x = 13,470.10 × 3,433.62
  4. Step 4: Simplify right side
    8,980.00x = 46,251,246.69
  5. Step 5: Solve for x
    x = 46,251,246.69/8,980.00
  6. Step 6: Final answer
    x = 5,150.47

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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.