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Finding the Fourth Proportional to 1,846.55, 2,767.10 and 749.58

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Solution

The fourth proportional to 1,846.55, 2,767.10 and 749.58 is: 1,123.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,846.55 : 2,767.10 = 749.58 : x
  2. Step 2: Convert to fraction form
    1,846.55/2,767.10 = 749.58/x
  3. Step 3: Cross multiply
    1,846.55x = 2,767.10 × 749.58
  4. Step 4: Simplify right side
    1,846.55x = 2,074,159.07
  5. Step 5: Solve for x
    x = 2,074,159.07/1,846.55
  6. Step 6: Final answer
    x = 1,123.26

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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.