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Finding the Fourth Proportional to 1,032.54, 1,548.26 and 775.50

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Solution

The fourth proportional to 1,032.54, 1,548.26 and 775.50 is: 1,162.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,032.54 : 1,548.26 = 775.50 : x
  2. Step 2: Convert to fraction form
    1,032.54/1,548.26 = 775.50/x
  3. Step 3: Cross multiply
    1,032.54x = 1,548.26 × 775.50
  4. Step 4: Simplify right side
    1,032.54x = 1,200,675.63
  5. Step 5: Solve for x
    x = 1,200,675.63/1,032.54
  6. Step 6: Final answer
    x = 1,162.84

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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.