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Finding the Fourth Proportional to 17,699.80, 26,549.70 and 16,941.40

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Solution

The fourth proportional to 17,699.80, 26,549.70 and 16,941.40 is: 25,412.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,699.80 : 26,549.70 = 16,941.40 : x
  2. Step 2: Convert to fraction form
    17,699.80/26,549.70 = 16,941.40/x
  3. Step 3: Cross multiply
    17,699.80x = 26,549.70 × 16,941.40
  4. Step 4: Simplify right side
    17,699.80x = 449,789,087.58
  5. Step 5: Solve for x
    x = 449,789,087.58/17,699.80
  6. Step 6: Final answer
    x = 25,412.10

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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.