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Finding the Fourth Proportional to 1,544.36, 2,315.00 and 996.93

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Solution

The fourth proportional to 1,544.36, 2,315.00 and 996.93 is: 1,494.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,544.36 : 2,315.00 = 996.93 : x
  2. Step 2: Convert to fraction form
    1,544.36/2,315.00 = 996.93/x
  3. Step 3: Cross multiply
    1,544.36x = 2,315.00 × 996.93
  4. Step 4: Simplify right side
    1,544.36x = 2,307,887.97
  5. Step 5: Solve for x
    x = 2,307,887.97/1,544.36
  6. Step 6: Final answer
    x = 1,494.40

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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.