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Finding the Fourth Proportional to 16,709.64, 25,062.50 and 6,713.98

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Solution

The fourth proportional to 16,709.64, 25,062.50 and 6,713.98 is: 10,070.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,709.64 : 25,062.50 = 6,713.98 : x
  2. Step 2: Convert to fraction form
    16,709.64/25,062.50 = 6,713.98/x
  3. Step 3: Cross multiply
    16,709.64x = 25,062.50 × 6,713.98
  4. Step 4: Simplify right side
    16,709.64x = 168,269,077.88
  5. Step 5: Solve for x
    x = 168,269,077.88/16,709.64
  6. Step 6: Final answer
    x = 10,070.18

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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.