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Finding the Fourth Proportional to 17,969.16, 26,955.68 and 6,885.34

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Solution

The fourth proportional to 17,969.16, 26,955.68 and 6,885.34 is: 10,328.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,969.16 : 26,955.68 = 6,885.34 : x
  2. Step 2: Convert to fraction form
    17,969.16/26,955.68 = 6,885.34/x
  3. Step 3: Cross multiply
    17,969.16x = 26,955.68 × 6,885.34
  4. Step 4: Simplify right side
    17,969.16x = 185,599,021.73
  5. Step 5: Solve for x
    x = 185,599,021.73/17,969.16
  6. Step 6: Final answer
    x = 10,328.75

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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.