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Finding the Fourth Proportional to 4,462.74, 6,693.30 and 1,689.30

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Solution

The fourth proportional to 4,462.74, 6,693.30 and 1,689.30 is: 2,533.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,462.74 : 6,693.30 = 1,689.30 : x
  2. Step 2: Convert to fraction form
    4,462.74/6,693.30 = 1,689.30/x
  3. Step 3: Cross multiply
    4,462.74x = 6,693.30 × 1,689.30
  4. Step 4: Simplify right side
    4,462.74x = 11,306,991.69
  5. Step 5: Solve for x
    x = 11,306,991.69/4,462.74
  6. Step 6: Final answer
    x = 2,533.64

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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.