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Finding the Fourth Proportional to 5,584.90, 8,365.20 and 4,491.40

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Solution

The fourth proportional to 5,584.90, 8,365.20 and 4,491.40 is: 6,727.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,584.90 : 8,365.20 = 4,491.40 : x
  2. Step 2: Convert to fraction form
    5,584.90/8,365.20 = 4,491.40/x
  3. Step 3: Cross multiply
    5,584.90x = 8,365.20 × 4,491.40
  4. Step 4: Simplify right side
    5,584.90x = 37,571,459.28
  5. Step 5: Solve for x
    x = 37,571,459.28/5,584.90
  6. Step 6: Final answer
    x = 6,727.33

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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.