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Finding the Fourth Proportional to 1,864.50, 2,796.75 and 566.07

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Solution

The fourth proportional to 1,864.50, 2,796.75 and 566.07 is: 849.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,864.50 : 2,796.75 = 566.07 : x
  2. Step 2: Convert to fraction form
    1,864.50/2,796.75 = 566.07/x
  3. Step 3: Cross multiply
    1,864.50x = 2,796.75 × 566.07
  4. Step 4: Simplify right side
    1,864.50x = 1,583,156.27
  5. Step 5: Solve for x
    x = 1,583,156.27/1,864.50
  6. Step 6: Final answer
    x = 849.11

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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.