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Finding the Fourth Proportional to 1,051.24, 1,450.14 and 658.18

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Solution

The fourth proportional to 1,051.24, 1,450.14 and 658.18 is: 907.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,051.24 : 1,450.14 = 658.18 : x
  2. Step 2: Convert to fraction form
    1,051.24/1,450.14 = 658.18/x
  3. Step 3: Cross multiply
    1,051.24x = 1,450.14 × 658.18
  4. Step 4: Simplify right side
    1,051.24x = 954,453.15
  5. Step 5: Solve for x
    x = 954,453.15/1,051.24
  6. Step 6: Final answer
    x = 907.93

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Why These Related Problems?

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