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Finding the Fourth Proportional to 6,700.70, 10,050.78 and 1,703

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Solution

The fourth proportional to 6,700.70, 10,050.78 and 1,703 is: 2,554.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,700.70 : 10,050.78 = 1,703 : x
  2. Step 2: Convert to fraction form
    6,700.70/10,050.78 = 1,703/x
  3. Step 3: Cross multiply
    6,700.70x = 10,050.78 × 1,703
  4. Step 4: Simplify right side
    6,700.70x = 17,116,478.34
  5. Step 5: Solve for x
    x = 17,116,478.34/6,700.70
  6. Step 6: Final answer
    x = 2,554.43

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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.