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Finding the Fourth Proportional to 17,283.81, 25,935.77 and 7,287.93

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Solution

The fourth proportional to 17,283.81, 25,935.77 and 7,287.93 is: 10,936.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,283.81 : 25,935.77 = 7,287.93 : x
  2. Step 2: Convert to fraction form
    17,283.81/25,935.77 = 7,287.93/x
  3. Step 3: Cross multiply
    17,283.81x = 25,935.77 × 7,287.93
  4. Step 4: Simplify right side
    17,283.81x = 189,017,928.36
  5. Step 5: Solve for x
    x = 189,017,928.36/17,283.81
  6. Step 6: Final answer
    x = 10,936.13

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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.