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Finding the Fourth Proportional to 3,549.70, 5,315.96 and 3,026.70

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Solution

The fourth proportional to 3,549.70, 5,315.96 and 3,026.70 is: 4,532.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,549.70 : 5,315.96 = 3,026.70 : x
  2. Step 2: Convert to fraction form
    3,549.70/5,315.96 = 3,026.70/x
  3. Step 3: Cross multiply
    3,549.70x = 5,315.96 × 3,026.70
  4. Step 4: Simplify right side
    3,549.70x = 16,089,816.13
  5. Step 5: Solve for x
    x = 16,089,816.13/3,549.70
  6. Step 6: Final answer
    x = 4,532.73

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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.