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Finding the Fourth Proportional to 5,328.98, 7,993.46 and 1,433.39

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Solution

The fourth proportional to 5,328.98, 7,993.46 and 1,433.39 is: 2,150.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,328.98 : 7,993.46 = 1,433.39 : x
  2. Step 2: Convert to fraction form
    5,328.98/7,993.46 = 1,433.39/x
  3. Step 3: Cross multiply
    5,328.98x = 7,993.46 × 1,433.39
  4. Step 4: Simplify right side
    5,328.98x = 11,457,698.50
  5. Step 5: Solve for x
    x = 11,457,698.50/5,328.98
  6. Step 6: Final answer
    x = 2,150.08

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Double scale
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Similar ratio
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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.