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Finding the Fourth Proportional to 45,903.46, 68,834.40 and 16,322.07

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Solution

The fourth proportional to 45,903.46, 68,834.40 and 16,322.07 is: 24,475.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,903.46 : 68,834.40 = 16,322.07 : x
  2. Step 2: Convert to fraction form
    45,903.46/68,834.40 = 16,322.07/x
  3. Step 3: Cross multiply
    45,903.46x = 68,834.40 × 16,322.07
  4. Step 4: Simplify right side
    45,903.46x = 1,123,519,895.21
  5. Step 5: Solve for x
    x = 1,123,519,895.21/45,903.46
  6. Step 6: Final answer
    x = 24,475.72

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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.