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Finding the Fourth Proportional to 1,661.86, 2,492.97 and 566.02

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Solution

The fourth proportional to 1,661.86, 2,492.97 and 566.02 is: 849.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,661.86 : 2,492.97 = 566.02 : x
  2. Step 2: Convert to fraction form
    1,661.86/2,492.97 = 566.02/x
  3. Step 3: Cross multiply
    1,661.86x = 2,492.97 × 566.02
  4. Step 4: Simplify right side
    1,661.86x = 1,411,070.88
  5. Step 5: Solve for x
    x = 1,411,070.88/1,661.86
  6. Step 6: Final answer
    x = 849.09

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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.