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Finding the Fourth Proportional to 7,337.70, 10,991.70 and 4,556.16

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Solution

The fourth proportional to 7,337.70, 10,991.70 and 4,556.16 is: 6,825.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,337.70 : 10,991.70 = 4,556.16 : x
  2. Step 2: Convert to fraction form
    7,337.70/10,991.70 = 4,556.16/x
  3. Step 3: Cross multiply
    7,337.70x = 10,991.70 × 4,556.16
  4. Step 4: Simplify right side
    7,337.70x = 50,079,943.87
  5. Step 5: Solve for x
    x = 50,079,943.87/7,337.70
  6. Step 6: Final answer
    x = 6,825.02

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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.