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Finding the Fourth Proportional to 4,991.44, 7,485.24 and 1,703.92

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Solution

The fourth proportional to 4,991.44, 7,485.24 and 1,703.92 is: 2,555.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,991.44 : 7,485.24 = 1,703.92 : x
  2. Step 2: Convert to fraction form
    4,991.44/7,485.24 = 1,703.92/x
  3. Step 3: Cross multiply
    4,991.44x = 7,485.24 × 1,703.92
  4. Step 4: Simplify right side
    4,991.44x = 12,754,250.14
  5. Step 5: Solve for x
    x = 12,754,250.14/4,991.44
  6. Step 6: Final answer
    x = 2,555.22

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1.5x scale

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.