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Finding the Fourth Proportional to 1,609.94, 2,393.20 and 1,562.64

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Solution

The fourth proportional to 1,609.94, 2,393.20 and 1,562.64 is: 2,322.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,609.94 : 2,393.20 = 1,562.64 : x
  2. Step 2: Convert to fraction form
    1,609.94/2,393.20 = 1,562.64/x
  3. Step 3: Cross multiply
    1,609.94x = 2,393.20 × 1,562.64
  4. Step 4: Simplify right side
    1,609.94x = 3,739,710.05
  5. Step 5: Solve for x
    x = 3,739,710.05/1,609.94
  6. Step 6: Final answer
    x = 2,322.89

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.