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Finding the Fourth Proportional to 1,352.54, 2,032.05 and 866.54

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Solution

The fourth proportional to 1,352.54, 2,032.05 and 866.54 is: 1,301.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,352.54 : 2,032.05 = 866.54 : x
  2. Step 2: Convert to fraction form
    1,352.54/2,032.05 = 866.54/x
  3. Step 3: Cross multiply
    1,352.54x = 2,032.05 × 866.54
  4. Step 4: Simplify right side
    1,352.54x = 1,760,852.61
  5. Step 5: Solve for x
    x = 1,760,852.61/1,352.54
  6. Step 6: Final answer
    x = 1,301.89

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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.