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Finding the Fourth Proportional to 1,059.02, 1,461.44 and 633.94

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Solution

The fourth proportional to 1,059.02, 1,461.44 and 633.94 is: 874.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,059.02 : 1,461.44 = 633.94 : x
  2. Step 2: Convert to fraction form
    1,059.02/1,461.44 = 633.94/x
  3. Step 3: Cross multiply
    1,059.02x = 1,461.44 × 633.94
  4. Step 4: Simplify right side
    1,059.02x = 926,465.26
  5. Step 5: Solve for x
    x = 926,465.26/1,059.02
  6. Step 6: Final answer
    x = 874.83

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Why These Related Problems?

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