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Finding the Fourth Proportional to 1,782, 2,673.30 and 795.16

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Solution

The fourth proportional to 1,782, 2,673.30 and 795.16 is: 1,192.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,782 : 2,673.30 = 795.16 : x
  2. Step 2: Convert to fraction form
    1,782/2,673.30 = 795.16/x
  3. Step 3: Cross multiply
    1,782x = 2,673.30 × 795.16
  4. Step 4: Simplify right side
    1,782x = 2,125,701.23
  5. Step 5: Solve for x
    x = 2,125,701.23/1,782
  6. Step 6: Final answer
    x = 1,192.87

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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.