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Finding the Fourth Proportional to 1,767.87, 2,652.93 and 793.98

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Solution

The fourth proportional to 1,767.87, 2,652.93 and 793.98 is: 1,191.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,767.87 : 2,652.93 = 793.98 : x
  2. Step 2: Convert to fraction form
    1,767.87/2,652.93 = 793.98/x
  3. Step 3: Cross multiply
    1,767.87x = 2,652.93 × 793.98
  4. Step 4: Simplify right side
    1,767.87x = 2,106,373.36
  5. Step 5: Solve for x
    x = 2,106,373.36/1,767.87
  6. Step 6: Final answer
    x = 1,191.48

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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.