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Finding the Fourth Proportional to 6,866.90, 10,300.36 and 1,672.73

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Solution

The fourth proportional to 6,866.90, 10,300.36 and 1,672.73 is: 2,509.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,866.90 : 10,300.36 = 1,672.73 : x
  2. Step 2: Convert to fraction form
    6,866.90/10,300.36 = 1,672.73/x
  3. Step 3: Cross multiply
    6,866.90x = 10,300.36 × 1,672.73
  4. Step 4: Simplify right side
    6,866.90x = 17,229,721.18
  5. Step 5: Solve for x
    x = 17,229,721.18/6,866.90
  6. Step 6: Final answer
    x = 2,509.10

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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.