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Finding the Fourth Proportional to 5,299.96, 7,949.98 and 1,602.20

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Solution

The fourth proportional to 5,299.96, 7,949.98 and 1,602.20 is: 2,403.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,299.96 : 7,949.98 = 1,602.20 : x
  2. Step 2: Convert to fraction form
    5,299.96/7,949.98 = 1,602.20/x
  3. Step 3: Cross multiply
    5,299.96x = 7,949.98 × 1,602.20
  4. Step 4: Simplify right side
    5,299.96x = 12,737,457.96
  5. Step 5: Solve for x
    x = 12,737,457.96/5,299.96
  6. Step 6: Final answer
    x = 2,403.31

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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.