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Finding the Fourth Proportional to 7,253.64, 10,880.46 and 3,357

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Solution

The fourth proportional to 7,253.64, 10,880.46 and 3,357 is: 5,035.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,253.64 : 10,880.46 = 3,357 : x
  2. Step 2: Convert to fraction form
    7,253.64/10,880.46 = 3,357/x
  3. Step 3: Cross multiply
    7,253.64x = 10,880.46 × 3,357
  4. Step 4: Simplify right side
    7,253.64x = 36,525,704.22
  5. Step 5: Solve for x
    x = 36,525,704.22/7,253.64
  6. Step 6: Final answer
    x = 5,035.50

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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.