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Finding the Fourth Proportional to 2,302.67, 3,455.49 and 841.70

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Solution

The fourth proportional to 2,302.67, 3,455.49 and 841.70 is: 1,263.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,302.67 : 3,455.49 = 841.70 : x
  2. Step 2: Convert to fraction form
    2,302.67/3,455.49 = 841.70/x
  3. Step 3: Cross multiply
    2,302.67x = 3,455.49 × 841.70
  4. Step 4: Simplify right side
    2,302.67x = 2,908,485.93
  5. Step 5: Solve for x
    x = 2,908,485.93/2,302.67
  6. Step 6: Final answer
    x = 1,263.09

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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.