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Finding the Fourth Proportional to 22,971.75, 31,701.03 and 13,035.75

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Solution

The fourth proportional to 22,971.75, 31,701.03 and 13,035.75 is: 17,989.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,971.75 : 31,701.03 = 13,035.75 : x
  2. Step 2: Convert to fraction form
    22,971.75/31,701.03 = 13,035.75/x
  3. Step 3: Cross multiply
    22,971.75x = 31,701.03 × 13,035.75
  4. Step 4: Simplify right side
    22,971.75x = 413,246,701.82
  5. Step 5: Solve for x
    x = 413,246,701.82/22,971.75
  6. Step 6: Final answer
    x = 17,989.34

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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.