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Finding the Fourth Proportional to 11,331.76, 17,008.44 and 6,957.76

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Solution

The fourth proportional to 11,331.76, 17,008.44 and 6,957.76 is: 10,443.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,331.76 : 17,008.44 = 6,957.76 : x
  2. Step 2: Convert to fraction form
    11,331.76/17,008.44 = 6,957.76/x
  3. Step 3: Cross multiply
    11,331.76x = 17,008.44 × 6,957.76
  4. Step 4: Simplify right side
    11,331.76x = 118,340,643.49
  5. Step 5: Solve for x
    x = 118,340,643.49/11,331.76
  6. Step 6: Final answer
    x = 10,443.27

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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.