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Finding the Fourth Proportional to 1,116.02, 1,674.02 and 567.80

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Solution

The fourth proportional to 1,116.02, 1,674.02 and 567.80 is: 851.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116.02 : 1,674.02 = 567.80 : x
  2. Step 2: Convert to fraction form
    1,116.02/1,674.02 = 567.80/x
  3. Step 3: Cross multiply
    1,116.02x = 1,674.02 × 567.80
  4. Step 4: Simplify right side
    1,116.02x = 950,508.56
  5. Step 5: Solve for x
    x = 950,508.56/1,116.02
  6. Step 6: Final answer
    x = 851.69

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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.