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Finding the Fourth Proportional to 17,702.80, 26,554.20 and 16,944.40

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Solution

The fourth proportional to 17,702.80, 26,554.20 and 16,944.40 is: 25,416.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,702.80 : 26,554.20 = 16,944.40 : x
  2. Step 2: Convert to fraction form
    17,702.80/26,554.20 = 16,944.40/x
  3. Step 3: Cross multiply
    17,702.80x = 26,554.20 × 16,944.40
  4. Step 4: Simplify right side
    17,702.80x = 449,944,986.48
  5. Step 5: Solve for x
    x = 449,944,986.48/17,702.80
  6. Step 6: Final answer
    x = 25,416.60

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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.