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Finding the Fourth Proportional to 2,066, 3,099.18 and 527

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Solution

The fourth proportional to 2,066, 3,099.18 and 527 is: 790.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,066 : 3,099.18 = 527 : x
  2. Step 2: Convert to fraction form
    2,066/3,099.18 = 527/x
  3. Step 3: Cross multiply
    2,066x = 3,099.18 × 527
  4. Step 4: Simplify right side
    2,066x = 1,633,267.86
  5. Step 5: Solve for x
    x = 1,633,267.86/2,066
  6. Step 6: Final answer
    x = 790.55

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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.