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Finding the Fourth Proportional to 9,600.40, 14,400.60 and 2,674.90

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Solution

The fourth proportional to 9,600.40, 14,400.60 and 2,674.90 is: 4,012.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,600.40 : 14,400.60 = 2,674.90 : x
  2. Step 2: Convert to fraction form
    9,600.40/14,400.60 = 2,674.90/x
  3. Step 3: Cross multiply
    9,600.40x = 14,400.60 × 2,674.90
  4. Step 4: Simplify right side
    9,600.40x = 38,520,164.94
  5. Step 5: Solve for x
    x = 38,520,164.94/9,600.40
  6. Step 6: Final answer
    x = 4,012.35

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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.