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Finding the Fourth Proportional to 28,463.72, 42,673.58 and 10,694.00

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Solution

The fourth proportional to 28,463.72, 42,673.58 and 10,694.00 is: 16,032.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,463.72 : 42,673.58 = 10,694.00 : x
  2. Step 2: Convert to fraction form
    28,463.72/42,673.58 = 10,694.00/x
  3. Step 3: Cross multiply
    28,463.72x = 42,673.58 × 10,694.00
  4. Step 4: Simplify right side
    28,463.72x = 456,351,399.16
  5. Step 5: Solve for x
    x = 456,351,399.16/28,463.72
  6. Step 6: Final answer
    x = 16,032.74

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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.