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Finding the Fourth Proportional to 2,624.59, 3,621.95 and 1,576.66

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Solution

The fourth proportional to 2,624.59, 3,621.95 and 1,576.66 is: 2,175.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,624.59 : 3,621.95 = 1,576.66 : x
  2. Step 2: Convert to fraction form
    2,624.59/3,621.95 = 1,576.66/x
  3. Step 3: Cross multiply
    2,624.59x = 3,621.95 × 1,576.66
  4. Step 4: Simplify right side
    2,624.59x = 5,710,583.69
  5. Step 5: Solve for x
    x = 5,710,583.69/2,624.59
  6. Step 6: Final answer
    x = 2,175.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.