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Finding the Fourth Proportional to 10,907.53, 16,350.90 and 3,506.80

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Solution

The fourth proportional to 10,907.53, 16,350.90 and 3,506.80 is: 5,256.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,907.53 : 16,350.90 = 3,506.80 : x
  2. Step 2: Convert to fraction form
    10,907.53/16,350.90 = 3,506.80/x
  3. Step 3: Cross multiply
    10,907.53x = 16,350.90 × 3,506.80
  4. Step 4: Simplify right side
    10,907.53x = 57,339,336.12
  5. Step 5: Solve for x
    x = 57,339,336.12/10,907.53
  6. Step 6: Final answer
    x = 5,256.86

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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.