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Finding the Fourth Proportional to 1,673.85, 2,509.28 and 795.81

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Solution

The fourth proportional to 1,673.85, 2,509.28 and 795.81 is: 1,193.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,673.85 : 2,509.28 = 795.81 : x
  2. Step 2: Convert to fraction form
    1,673.85/2,509.28 = 795.81/x
  3. Step 3: Cross multiply
    1,673.85x = 2,509.28 × 795.81
  4. Step 4: Simplify right side
    1,673.85x = 1,996,906.14
  5. Step 5: Solve for x
    x = 1,996,906.14/1,673.85
  6. Step 6: Final answer
    x = 1,193.00

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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.