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Finding the Fourth Proportional to 2,436.65, 3,654.96 and 587.77

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Solution

The fourth proportional to 2,436.65, 3,654.96 and 587.77 is: 881.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,436.65 : 3,654.96 = 587.77 : x
  2. Step 2: Convert to fraction form
    2,436.65/3,654.96 = 587.77/x
  3. Step 3: Cross multiply
    2,436.65x = 3,654.96 × 587.77
  4. Step 4: Simplify right side
    2,436.65x = 2,148,257.56
  5. Step 5: Solve for x
    x = 2,148,257.56/2,436.65
  6. Step 6: Final answer
    x = 881.64

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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.