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Finding the Fourth Proportional to 12,797.04, 17,663.22 and 8,331.96

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Solution

The fourth proportional to 12,797.04, 17,663.22 and 8,331.96 is: 11,500.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,797.04 : 17,663.22 = 8,331.96 : x
  2. Step 2: Convert to fraction form
    12,797.04/17,663.22 = 8,331.96/x
  3. Step 3: Cross multiply
    12,797.04x = 17,663.22 × 8,331.96
  4. Step 4: Simplify right side
    12,797.04x = 147,169,242.51
  5. Step 5: Solve for x
    x = 147,169,242.51/12,797.04
  6. Step 6: Final answer
    x = 11,500.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.