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Finding the Fourth Proportional to 16,693.81, 25,004.31 and 8,359.28

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Solution

The fourth proportional to 16,693.81, 25,004.31 and 8,359.28 is: 12,520.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,693.81 : 25,004.31 = 8,359.28 : x
  2. Step 2: Convert to fraction form
    16,693.81/25,004.31 = 8,359.28/x
  3. Step 3: Cross multiply
    16,693.81x = 25,004.31 × 8,359.28
  4. Step 4: Simplify right side
    16,693.81x = 209,018,028.50
  5. Step 5: Solve for x
    x = 209,018,028.50/16,693.81
  6. Step 6: Final answer
    x = 12,520.69

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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.