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Finding the Fourth Proportional to 16,969.96, 25,444.86 and 6,971.74

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Solution

The fourth proportional to 16,969.96, 25,444.86 and 6,971.74 is: 10,453.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,969.96 : 25,444.86 = 6,971.74 : x
  2. Step 2: Convert to fraction form
    16,969.96/25,444.86 = 6,971.74/x
  3. Step 3: Cross multiply
    16,969.96x = 25,444.86 × 6,971.74
  4. Step 4: Simplify right side
    16,969.96x = 177,394,948.26
  5. Step 5: Solve for x
    x = 177,394,948.26/16,969.96
  6. Step 6: Final answer
    x = 10,453.47

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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.