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Finding the Fourth Proportional to 9,323.79, 13,980.83 and 3,475.59

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Solution

The fourth proportional to 9,323.79, 13,980.83 and 3,475.59 is: 5,211.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,323.79 : 13,980.83 = 3,475.59 : x
  2. Step 2: Convert to fraction form
    9,323.79/13,980.83 = 3,475.59/x
  3. Step 3: Cross multiply
    9,323.79x = 13,980.83 × 3,475.59
  4. Step 4: Simplify right side
    9,323.79x = 48,591,615.56
  5. Step 5: Solve for x
    x = 48,591,615.56/9,323.79
  6. Step 6: Final answer
    x = 5,211.57

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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.