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Finding the Fourth Proportional to 16,971.93, 25,472.88 and 8,213.40

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Solution

The fourth proportional to 16,971.93, 25,472.88 and 8,213.40 is: 12,327.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,971.93 : 25,472.88 = 8,213.40 : x
  2. Step 2: Convert to fraction form
    16,971.93/25,472.88 = 8,213.40/x
  3. Step 3: Cross multiply
    16,971.93x = 25,472.88 × 8,213.40
  4. Step 4: Simplify right side
    16,971.93x = 209,218,952.59
  5. Step 5: Solve for x
    x = 209,218,952.59/16,971.93
  6. Step 6: Final answer
    x = 12,327.35

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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.