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Finding the Fourth Proportional to 1,376.27, 2,064.40 and 595.63

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Solution

The fourth proportional to 1,376.27, 2,064.40 and 595.63 is: 893.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376.27 : 2,064.40 = 595.63 : x
  2. Step 2: Convert to fraction form
    1,376.27/2,064.40 = 595.63/x
  3. Step 3: Cross multiply
    1,376.27x = 2,064.40 × 595.63
  4. Step 4: Simplify right side
    1,376.27x = 1,229,611.92
  5. Step 5: Solve for x
    x = 1,229,611.92/1,376.27
  6. Step 6: Final answer
    x = 893.44

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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.