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Finding the Fourth Proportional to 2,283.04, 3,425.10 and 983.80

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Solution

The fourth proportional to 2,283.04, 3,425.10 and 983.80 is: 1,475.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,283.04 : 3,425.10 = 983.80 : x
  2. Step 2: Convert to fraction form
    2,283.04/3,425.10 = 983.80/x
  3. Step 3: Cross multiply
    2,283.04x = 3,425.10 × 983.80
  4. Step 4: Simplify right side
    2,283.04x = 3,369,613.38
  5. Step 5: Solve for x
    x = 3,369,613.38/2,283.04
  6. Step 6: Final answer
    x = 1,475.93

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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.