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Finding the Fourth Proportional to 1,063.01, 1,592.21 and 650.90

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Solution

The fourth proportional to 1,063.01, 1,592.21 and 650.90 is: 974.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,063.01 : 1,592.21 = 650.90 : x
  2. Step 2: Convert to fraction form
    1,063.01/1,592.21 = 650.90/x
  3. Step 3: Cross multiply
    1,063.01x = 1,592.21 × 650.90
  4. Step 4: Simplify right side
    1,063.01x = 1,036,369.49
  5. Step 5: Solve for x
    x = 1,036,369.49/1,063.01
  6. Step 6: Final answer
    x = 974.94

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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.