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Finding the Fourth Proportional to 1,765.76, 2,647.70 and 595.38

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Solution

The fourth proportional to 1,765.76, 2,647.70 and 595.38 is: 892.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,765.76 : 2,647.70 = 595.38 : x
  2. Step 2: Convert to fraction form
    1,765.76/2,647.70 = 595.38/x
  3. Step 3: Cross multiply
    1,765.76x = 2,647.70 × 595.38
  4. Step 4: Simplify right side
    1,765.76x = 1,576,387.63
  5. Step 5: Solve for x
    x = 1,576,387.63/1,765.76
  6. Step 6: Final answer
    x = 892.75

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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.