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Finding the Fourth Proportional to 4,991.94, 7,487.92 and 4,350.42

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Solution

The fourth proportional to 4,991.94, 7,487.92 and 4,350.42 is: 6,525.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,991.94 : 7,487.92 = 4,350.42 : x
  2. Step 2: Convert to fraction form
    4,991.94/7,487.92 = 4,350.42/x
  3. Step 3: Cross multiply
    4,991.94x = 7,487.92 × 4,350.42
  4. Step 4: Simplify right side
    4,991.94x = 32,575,596.93
  5. Step 5: Solve for x
    x = 32,575,596.93/4,991.94
  6. Step 6: Final answer
    x = 6,525.64

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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.