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Finding the Fourth Proportional to 1,237.04, 1,856.46 and 996.47

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Solution

The fourth proportional to 1,237.04, 1,856.46 and 996.47 is: 1,495.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237.04 : 1,856.46 = 996.47 : x
  2. Step 2: Convert to fraction form
    1,237.04/1,856.46 = 996.47/x
  3. Step 3: Cross multiply
    1,237.04x = 1,856.46 × 996.47
  4. Step 4: Simplify right side
    1,237.04x = 1,849,906.70
  5. Step 5: Solve for x
    x = 1,849,906.70/1,237.04
  6. Step 6: Final answer
    x = 1,495.43

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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.