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Finding the Fourth Proportional to 17,740.76, 26,581.01 and 10,705.99

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Solution

The fourth proportional to 17,740.76, 26,581.01 and 10,705.99 is: 16,040.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,740.76 : 26,581.01 = 10,705.99 : x
  2. Step 2: Convert to fraction form
    17,740.76/26,581.01 = 10,705.99/x
  3. Step 3: Cross multiply
    17,740.76x = 26,581.01 × 10,705.99
  4. Step 4: Simplify right side
    17,740.76x = 284,575,946.20
  5. Step 5: Solve for x
    x = 284,575,946.20/17,740.76
  6. Step 6: Final answer
    x = 16,040.80

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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.