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Finding the Fourth Proportional to 6,748.40, 10,106.40 and 5,452.40

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Solution

The fourth proportional to 6,748.40, 10,106.40 and 5,452.40 is: 8,165.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,748.40 : 10,106.40 = 5,452.40 : x
  2. Step 2: Convert to fraction form
    6,748.40/10,106.40 = 5,452.40/x
  3. Step 3: Cross multiply
    6,748.40x = 10,106.40 × 5,452.40
  4. Step 4: Simplify right side
    6,748.40x = 55,104,135.36
  5. Step 5: Solve for x
    x = 55,104,135.36/6,748.40
  6. Step 6: Final answer
    x = 8,165.51

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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.