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Finding the Fourth Proportional to 16,751.40, 25,127.10 and 8,003.40

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Solution

The fourth proportional to 16,751.40, 25,127.10 and 8,003.40 is: 12,005.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,751.40 : 25,127.10 = 8,003.40 : x
  2. Step 2: Convert to fraction form
    16,751.40/25,127.10 = 8,003.40/x
  3. Step 3: Cross multiply
    16,751.40x = 25,127.10 × 8,003.40
  4. Step 4: Simplify right side
    16,751.40x = 201,102,232.14
  5. Step 5: Solve for x
    x = 201,102,232.14/16,751.40
  6. Step 6: Final answer
    x = 12,005.10

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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.