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Finding the Fourth Proportional to 1,032.29, 1,424.74 and 700.50

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Solution

The fourth proportional to 1,032.29, 1,424.74 and 700.50 is: 966.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,032.29 : 1,424.74 = 700.50 : x
  2. Step 2: Convert to fraction form
    1,032.29/1,424.74 = 700.50/x
  3. Step 3: Cross multiply
    1,032.29x = 1,424.74 × 700.50
  4. Step 4: Simplify right side
    1,032.29x = 998,028.62
  5. Step 5: Solve for x
    x = 998,028.62/1,032.29
  6. Step 6: Final answer
    x = 966.81

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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.