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Finding the Fourth Proportional to 1,156.75, 1,596.35 and 632.82

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Solution

The fourth proportional to 1,156.75, 1,596.35 and 632.82 is: 873.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,156.75 : 1,596.35 = 632.82 : x
  2. Step 2: Convert to fraction form
    1,156.75/1,596.35 = 632.82/x
  3. Step 3: Cross multiply
    1,156.75x = 1,596.35 × 632.82
  4. Step 4: Simplify right side
    1,156.75x = 1,010,202.21
  5. Step 5: Solve for x
    x = 1,010,202.21/1,156.75
  6. Step 6: Final answer
    x = 873.31

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