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Finding the Fourth Proportional to 5,505.07, 8,255.15 and 1,756.15

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Solution

The fourth proportional to 5,505.07, 8,255.15 and 1,756.15 is: 2,633.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,505.07 : 8,255.15 = 1,756.15 : x
  2. Step 2: Convert to fraction form
    5,505.07/8,255.15 = 1,756.15/x
  3. Step 3: Cross multiply
    5,505.07x = 8,255.15 × 1,756.15
  4. Step 4: Simplify right side
    5,505.07x = 14,497,265.42
  5. Step 5: Solve for x
    x = 14,497,265.42/5,505.07
  6. Step 6: Final answer
    x = 2,633.44

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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.