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Finding the Fourth Proportional to 7,253.58, 10,880.61 and 3,453.40

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Solution

The fourth proportional to 7,253.58, 10,880.61 and 3,453.40 is: 5,180.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,253.58 : 10,880.61 = 3,453.40 : x
  2. Step 2: Convert to fraction form
    7,253.58/10,880.61 = 3,453.40/x
  3. Step 3: Cross multiply
    7,253.58x = 10,880.61 × 3,453.40
  4. Step 4: Simplify right side
    7,253.58x = 37,575,098.57
  5. Step 5: Solve for x
    x = 37,575,098.57/7,253.58
  6. Step 6: Final answer
    x = 5,180.21

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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.