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Finding the Fourth Proportional to 17,754.50, 26,624.80 and 6,655.13

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Solution

The fourth proportional to 17,754.50, 26,624.80 and 6,655.13 is: 9,980.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,754.50 : 26,624.80 = 6,655.13 : x
  2. Step 2: Convert to fraction form
    17,754.50/26,624.80 = 6,655.13/x
  3. Step 3: Cross multiply
    17,754.50x = 26,624.80 × 6,655.13
  4. Step 4: Simplify right side
    17,754.50x = 177,191,592.59
  5. Step 5: Solve for x
    x = 177,191,592.59/17,754.50
  6. Step 6: Final answer
    x = 9,980.09

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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.