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Finding the Fourth Proportional to 1,661.70, 2,492.61 and 566.17

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Solution

The fourth proportional to 1,661.70, 2,492.61 and 566.17 is: 849.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,661.70 : 2,492.61 = 566.17 : x
  2. Step 2: Convert to fraction form
    1,661.70/2,492.61 = 566.17/x
  3. Step 3: Cross multiply
    1,661.70x = 2,492.61 × 566.17
  4. Step 4: Simplify right side
    1,661.70x = 1,411,241.00
  5. Step 5: Solve for x
    x = 1,411,241.00/1,661.70
  6. Step 6: Final answer
    x = 849.28

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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.