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Finding the Fourth Proportional to 1,846.66, 2,770.01 and 548.13

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Solution

The fourth proportional to 1,846.66, 2,770.01 and 548.13 is: 822.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,846.66 : 2,770.01 = 548.13 : x
  2. Step 2: Convert to fraction form
    1,846.66/2,770.01 = 548.13/x
  3. Step 3: Cross multiply
    1,846.66x = 2,770.01 × 548.13
  4. Step 4: Simplify right side
    1,846.66x = 1,518,315.92
  5. Step 5: Solve for x
    x = 1,518,315.92/1,846.66
  6. Step 6: Final answer
    x = 822.20

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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.