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Finding the Fourth Proportional to 1,864.95, 2,796.98 and 566.43

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Solution

The fourth proportional to 1,864.95, 2,796.98 and 566.43 is: 849.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,864.95 : 2,796.98 = 566.43 : x
  2. Step 2: Convert to fraction form
    1,864.95/2,796.98 = 566.43/x
  3. Step 3: Cross multiply
    1,864.95x = 2,796.98 × 566.43
  4. Step 4: Simplify right side
    1,864.95x = 1,584,290.55
  5. Step 5: Solve for x
    x = 1,584,290.55/1,864.95
  6. Step 6: Final answer
    x = 849.51

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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.