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Finding the Fourth Proportional to 9,356.79, 14,035.19 and 3,200.79

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Solution

The fourth proportional to 9,356.79, 14,035.19 and 3,200.79 is: 4,801.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,356.79 : 14,035.19 = 3,200.79 : x
  2. Step 2: Convert to fraction form
    9,356.79/14,035.19 = 3,200.79/x
  3. Step 3: Cross multiply
    9,356.79x = 14,035.19 × 3,200.79
  4. Step 4: Simplify right side
    9,356.79x = 44,923,679.80
  5. Step 5: Solve for x
    x = 44,923,679.80/9,356.79
  6. Step 6: Final answer
    x = 4,801.19

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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.