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Finding the Fourth Proportional to 17,866.84, 26,797.86 and 4,719.16

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Solution

The fourth proportional to 17,866.84, 26,797.86 and 4,719.16 is: 7,078.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,866.84 : 26,797.86 = 4,719.16 : x
  2. Step 2: Convert to fraction form
    17,866.84/26,797.86 = 4,719.16/x
  3. Step 3: Cross multiply
    17,866.84x = 26,797.86 × 4,719.16
  4. Step 4: Simplify right side
    17,866.84x = 126,463,389.00
  5. Step 5: Solve for x
    x = 126,463,389.00/17,866.84
  6. Step 6: Final answer
    x = 7,078.11

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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.