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Finding the Fourth Proportional to 5,669.63, 8,505.78 and 5,575.49

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Solution

The fourth proportional to 5,669.63, 8,505.78 and 5,575.49 is: 8,364.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,669.63 : 8,505.78 = 5,575.49 : x
  2. Step 2: Convert to fraction form
    5,669.63/8,505.78 = 5,575.49/x
  3. Step 3: Cross multiply
    5,669.63x = 8,505.78 × 5,575.49
  4. Step 4: Simplify right side
    5,669.63x = 47,423,912.60
  5. Step 5: Solve for x
    x = 47,423,912.60/5,669.63
  6. Step 6: Final answer
    x = 8,364.56

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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.