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Finding the Fourth Proportional to 1,325.54, 1,829.01 and 766.03

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Solution

The fourth proportional to 1,325.54, 1,829.01 and 766.03 is: 1,056.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325.54 : 1,829.01 = 766.03 : x
  2. Step 2: Convert to fraction form
    1,325.54/1,829.01 = 766.03/x
  3. Step 3: Cross multiply
    1,325.54x = 1,829.01 × 766.03
  4. Step 4: Simplify right side
    1,325.54x = 1,401,076.53
  5. Step 5: Solve for x
    x = 1,401,076.53/1,325.54
  6. Step 6: Final answer
    x = 1,056.99

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.