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Finding the Fourth Proportional to 1,052.09, 1,576.76 and 564.57

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Solution

The fourth proportional to 1,052.09, 1,576.76 and 564.57 is: 846.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,052.09 : 1,576.76 = 564.57 : x
  2. Step 2: Convert to fraction form
    1,052.09/1,576.76 = 564.57/x
  3. Step 3: Cross multiply
    1,052.09x = 1,576.76 × 564.57
  4. Step 4: Simplify right side
    1,052.09x = 890,180.69
  5. Step 5: Solve for x
    x = 890,180.69/1,052.09
  6. Step 6: Final answer
    x = 846.11

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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.