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Finding the Fourth Proportional to 1,114.94, 1,671.26 and 566.82

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Solution

The fourth proportional to 1,114.94, 1,671.26 and 566.82 is: 849.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114.94 : 1,671.26 = 566.82 : x
  2. Step 2: Convert to fraction form
    1,114.94/1,671.26 = 566.82/x
  3. Step 3: Cross multiply
    1,114.94x = 1,671.26 × 566.82
  4. Step 4: Simplify right side
    1,114.94x = 947,300.76
  5. Step 5: Solve for x
    x = 947,300.76/1,114.94
  6. Step 6: Final answer
    x = 849.64

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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.