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Finding the Fourth Proportional to 1,848.28, 2,772.10 and 922.85

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Solution

The fourth proportional to 1,848.28, 2,772.10 and 922.85 is: 1,384.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,848.28 : 2,772.10 = 922.85 : x
  2. Step 2: Convert to fraction form
    1,848.28/2,772.10 = 922.85/x
  3. Step 3: Cross multiply
    1,848.28x = 2,772.10 × 922.85
  4. Step 4: Simplify right side
    1,848.28x = 2,558,230.18
  5. Step 5: Solve for x
    x = 2,558,230.18/1,848.28
  6. Step 6: Final answer
    x = 1,384.12

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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.