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Finding the Fourth Proportional to 17,383.77, 26,075.65 and 6,287.87

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Solution

The fourth proportional to 17,383.77, 26,075.65 and 6,287.87 is: 9,431.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,383.77 : 26,075.65 = 6,287.87 : x
  2. Step 2: Convert to fraction form
    17,383.77/26,075.65 = 6,287.87/x
  3. Step 3: Cross multiply
    17,383.77x = 26,075.65 × 6,287.87
  4. Step 4: Simplify right side
    17,383.77x = 163,960,297.37
  5. Step 5: Solve for x
    x = 163,960,297.37/17,383.77
  6. Step 6: Final answer
    x = 9,431.80

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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.