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Finding the Fourth Proportional to 5,789.69, 8,683.21 and 1,630.11

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Solution

The fourth proportional to 5,789.69, 8,683.21 and 1,630.11 is: 2,444.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,789.69 : 8,683.21 = 1,630.11 : x
  2. Step 2: Convert to fraction form
    5,789.69/8,683.21 = 1,630.11/x
  3. Step 3: Cross multiply
    5,789.69x = 8,683.21 × 1,630.11
  4. Step 4: Simplify right side
    5,789.69x = 14,154,587.45
  5. Step 5: Solve for x
    x = 14,154,587.45/5,789.69
  6. Step 6: Final answer
    x = 2,444.79

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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.