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Finding the Fourth Proportional to 7,315.65, 10,973.43 and 2,933.05

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Solution

The fourth proportional to 7,315.65, 10,973.43 and 2,933.05 is: 4,399.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,315.65 : 10,973.43 = 2,933.05 : x
  2. Step 2: Convert to fraction form
    7,315.65/10,973.43 = 2,933.05/x
  3. Step 3: Cross multiply
    7,315.65x = 10,973.43 × 2,933.05
  4. Step 4: Simplify right side
    7,315.65x = 32,185,549.33
  5. Step 5: Solve for x
    x = 32,185,549.33/7,315.65
  6. Step 6: Final answer
    x = 4,399.55

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.