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Finding the Fourth Proportional to 17,961.92, 26,948.48 and 9,202.98

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Solution

The fourth proportional to 17,961.92, 26,948.48 and 9,202.98 is: 13,807.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,961.92 : 26,948.48 = 9,202.98 : x
  2. Step 2: Convert to fraction form
    17,961.92/26,948.48 = 9,202.98/x
  3. Step 3: Cross multiply
    17,961.92x = 26,948.48 × 9,202.98
  4. Step 4: Simplify right side
    17,961.92x = 248,006,322.47
  5. Step 5: Solve for x
    x = 248,006,322.47/17,961.92
  6. Step 6: Final answer
    x = 13,807.34

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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.