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Finding the Fourth Proportional to 1,032.47, 1,424.82 and 701.00

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Solution

The fourth proportional to 1,032.47, 1,424.82 and 701.00 is: 967.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,032.47 : 1,424.82 = 701.00 : x
  2. Step 2: Convert to fraction form
    1,032.47/1,424.82 = 701.00/x
  3. Step 3: Cross multiply
    1,032.47x = 1,424.82 × 701.00
  4. Step 4: Simplify right side
    1,032.47x = 998,791.70
  5. Step 5: Solve for x
    x = 998,791.70/1,032.47
  6. Step 6: Final answer
    x = 967.39

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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.