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Finding the Fourth Proportional to 17,966.80, 26,952.01 and 4,820.50

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Solution

The fourth proportional to 17,966.80, 26,952.01 and 4,820.50 is: 7,231.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,966.80 : 26,952.01 = 4,820.50 : x
  2. Step 2: Convert to fraction form
    17,966.80/26,952.01 = 4,820.50/x
  3. Step 3: Cross multiply
    17,966.80x = 26,952.01 × 4,820.50
  4. Step 4: Simplify right side
    17,966.80x = 129,922,164.21
  5. Step 5: Solve for x
    x = 129,922,164.21/17,966.80
  6. Step 6: Final answer
    x = 7,231.24

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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.