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Finding the Fourth Proportional to 17,769.38, 26,654.06 and 5,457.38

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Solution

The fourth proportional to 17,769.38, 26,654.06 and 5,457.38 is: 8,186.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,769.38 : 26,654.06 = 5,457.38 : x
  2. Step 2: Convert to fraction form
    17,769.38/26,654.06 = 5,457.38/x
  3. Step 3: Cross multiply
    17,769.38x = 26,654.06 × 5,457.38
  4. Step 4: Simplify right side
    17,769.38x = 145,461,214.34
  5. Step 5: Solve for x
    x = 145,461,214.34/17,769.38
  6. Step 6: Final answer
    x = 8,186.06

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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.