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Finding the Fourth Proportional to 1,035.93, 1,429.00 and 662.52

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Solution

The fourth proportional to 1,035.93, 1,429.00 and 662.52 is: 913.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,035.93 : 1,429.00 = 662.52 : x
  2. Step 2: Convert to fraction form
    1,035.93/1,429.00 = 662.52/x
  3. Step 3: Cross multiply
    1,035.93x = 1,429.00 × 662.52
  4. Step 4: Simplify right side
    1,035.93x = 946,739.42
  5. Step 5: Solve for x
    x = 946,739.42/1,035.93
  6. Step 6: Final answer
    x = 913.90

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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.