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Finding the Fourth Proportional to 32,315.95, 48,475.01 and 8,940.43

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Solution

The fourth proportional to 32,315.95, 48,475.01 and 8,940.43 is: 13,410.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,315.95 : 48,475.01 = 8,940.43 : x
  2. Step 2: Convert to fraction form
    32,315.95/48,475.01 = 8,940.43/x
  3. Step 3: Cross multiply
    32,315.95x = 48,475.01 × 8,940.43
  4. Step 4: Simplify right side
    32,315.95x = 433,387,433.65
  5. Step 5: Solve for x
    x = 433,387,433.65/32,315.95
  6. Step 6: Final answer
    x = 13,410.95

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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.