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Finding the Fourth Proportional to 1,848.34, 2,772.44 and 752.66

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Solution

The fourth proportional to 1,848.34, 2,772.44 and 752.66 is: 1,128.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,848.34 : 2,772.44 = 752.66 : x
  2. Step 2: Convert to fraction form
    1,848.34/2,772.44 = 752.66/x
  3. Step 3: Cross multiply
    1,848.34x = 2,772.44 × 752.66
  4. Step 4: Simplify right side
    1,848.34x = 2,086,704.69
  5. Step 5: Solve for x
    x = 2,086,704.69/1,848.34
  6. Step 6: Final answer
    x = 1,128.96

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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.