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Finding the Fourth Proportional to 1,051.08, 1,576.76 and 563.46

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Solution

The fourth proportional to 1,051.08, 1,576.76 and 563.46 is: 845.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,051.08 : 1,576.76 = 563.46 : x
  2. Step 2: Convert to fraction form
    1,051.08/1,576.76 = 563.46/x
  3. Step 3: Cross multiply
    1,051.08x = 1,576.76 × 563.46
  4. Step 4: Simplify right side
    1,051.08x = 888,438.37
  5. Step 5: Solve for x
    x = 888,438.37/1,051.08
  6. Step 6: Final answer
    x = 845.26

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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.