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Finding the Fourth Proportional to 11,657.04, 17,489.94 and 6,980.37

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Solution

The fourth proportional to 11,657.04, 17,489.94 and 6,980.37 is: 10,473.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,657.04 : 17,489.94 = 6,980.37 : x
  2. Step 2: Convert to fraction form
    11,657.04/17,489.94 = 6,980.37/x
  3. Step 3: Cross multiply
    11,657.04x = 17,489.94 × 6,980.37
  4. Step 4: Simplify right side
    11,657.04x = 122,086,252.48
  5. Step 5: Solve for x
    x = 122,086,252.48/11,657.04
  6. Step 6: Final answer
    x = 10,473.18

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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.